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Home - Research - “The Oldest Algebra Problem Solved”: Australian Mathematician Cracks Ancient Mystery That Baffled Minds for Over 4,000 Years

“The Oldest Algebra Problem Solved”: Australian Mathematician Cracks Ancient Mystery That Baffled Minds for Over 4,000 Years

Australian mathematician Norman Wildberger has shattered a centuries-old mathematical barrier by devising a groundbreaking method to solve polynomial equations of degree five and higher, challenging traditional algebraic conventions and potentially revolutionizing the field.
Rosemary PotterRosemary Potter05/31/202533
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IN A NUTSHELL
  • 🔍 A breakthrough method by Norman Wildberger solves the ancient problem of fifth-degree polynomials.
  • 📜 The discovery challenges traditional beliefs about irrational numbers and radicals in algebra.
  • 🔢 Wildberger’s approach utilizes power series and new number sequences from combinatorics.
  • 🌟 The findings have significant implications for mathematics, computer science, and other fields.

The ancient problem of solving polynomial equations of degree five or higher has recently been solved by an Australian mathematician, Norman Wildberger. This problem, often referred to as the “oldest problem in algebra,” has confounded mathematicians for centuries. The breakthrough brings to light a new method that challenges long-held mathematical beliefs, offering fresh insights into this complex field. Wildberger’s approach could reshape how we think about irrational numbers and mathematical operations, potentially revolutionizing the way we approach algebraic equations.

The History of the Polynomial Problem

Throughout history, many have encountered the perplexing world of mathematics during their school years, particularly algebra. This branch of mathematics, characterized by equations known as polynomials, has been studied for thousands of years. Solutions to second-degree polynomials can be traced back to the Babylonians around 4000 years ago. This early method, known as the “method of completing the square,” eventually led to the development of the quadratic formula, which enabled scientists in the 16th century to solve third and fourth-degree polynomials.

Polynomials are integral to various fields, including computer science and astronomy, where they are used to describe planetary motion. However, the challenge persisted: Why couldn’t this technique solve fifth-degree polynomials? The question remained unanswered for centuries, signifying a longstanding gap in algebraic theory.

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A Mathematician Solves the Oldest Algebra Problem

In 1832, French mathematician Évariste Galois highlighted that the quadratic formula was insufficient for solving fifth-degree and higher equations. Recently, Norman Wildberger from UNSW Sydney in Australia developed a new method to address this age-old issue, which remained unsolved for millennia. Published on April 8 in The American Mathematical Monthly, Wildberger’s study, co-authored with computer scientist Dr. Dean Rubine, argues that rejecting radicals, mathematical operations for extracting roots, and questioning the validity of irrational numbers, which he believes rely on imprecise concepts, are key to solving these equations.

This groundbreaking approach challenges traditional mathematical conventions, offering a new perspective on algebraic solutions and the use of irrational numbers in mathematical logic.

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“Our Solution Reopens a Book Once Closed in the History of Mathematics”

According to Phys.org, Wildberger’s method utilizes specific polynomial variants known as “power series,” which consist of an infinite number of terms in the powers of x. He also employs new number sequences representing complex geometric relationships, a branch of mathematics known as combinatorics. The most renowned example is the Catalan numbers, discovered in 1838, which dissect a polygon of any shape.

Tests on a famous cubic equation used by Wallis in the 17th century demonstrated the method’s efficacy. Wildberger stated, “Our solution reopens a book once closed in the history of mathematics.” This book had previously offered only approximate solutions for fifth-degree polynomials, which did not belong to pure algebra. His method provides a more precise and algebraically sound approach to solving these complex equations.

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Implications and Future Directions

The implications of Wildberger’s findings extend beyond merely solving polynomial equations. By challenging the necessity of irrational numbers and traditional radical operations, his work could influence future mathematical research and education. The potential applications of his method in fields reliant on complex calculations, such as computer science, physics, and engineering, are vast. As mathematicians continue to explore and refine these concepts, the door is open for new discoveries and innovations.

Wildberger’s breakthrough invites mathematicians and scientists to reconsider fundamental mathematical principles. As this new method gains traction, it prompts an intriguing question: What other long-standing mathematical puzzles might be solved by challenging conventional wisdom?

Our author used artificial intelligence to enhance this article.

Did you like it? 4.4/5 (25)

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Rosemary Potter is a Chicago-based journalist for Sustainability Times, covering global sustainability challenges, environmental policy, science, business, and climate resilience. Trained in journalism in the U.S., she blends investigative depth with a global perspective. Her reporting amplifies voices driving change across borders, industries, and ecosystems. Contact: [email protected]

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View 33 Comments
33 Comments
  1. lukemiracle on 05/31/2025 8:10 AM

    Wow, 4,000 years is a long time to wait for a solution! Congrats to Norman Wildberger! 🎉

    Reply
  2. william2 on 05/31/2025 8:15 AM

    Norman Wildberger is a true pioneer. This is truly revolutionary! 🚀

    Reply
  3. cedricbravery on 05/31/2025 8:17 AM

    I wonder if this will change how algebra is taught in schools.

    Reply
  4. Abdulmagma3 on 05/31/2025 8:19 AM

    Can someone dumb this down for us non-mathematicians? 😅

    Reply
  5. john-philipwisdom2 on 05/31/2025 8:22 AM

    What does this mean for current mathematical models that rely on irrational numbers?

    Reply
  6. bruce on 05/31/2025 8:25 AM

    How does Wildberger’s method compare to Galois’ work?

    Reply
  7. Joellemystic on 05/31/2025 8:26 AM

    This seems too good to be true. What are the criticisms of this approach?

    Reply
  8. Lawrence2 on 05/31/2025 8:28 AM

    I can’t even solve a quadratic equation, and now this? Mind blown! 🤯

    Reply
  9. Lucy on 05/31/2025 8:32 AM

    Thank you for sharing such an exciting discovery with us!

    Reply
  10. Rolandpassion on 05/31/2025 8:34 AM

    Is there a video or a simpler explanation of Wildberger’s method?

    Reply
  11. Damian on 05/31/2025 8:37 AM

    Finally, a breakthrough! Math textbooks will need some serious updating!

    Reply
  12. martin on 05/31/2025 8:39 AM

    Does this have any implications for cryptographic algorithms?

    Reply
  13. christina6 on 05/31/2025 8:41 AM

    It would be great to see more detailed examples of how this works.

    Reply
  14. John-Philip on 05/31/2025 8:43 AM

    Are there other mathematicians supporting Wildberger’s findings?

    Reply
  15. audreyray on 05/31/2025 8:46 AM

    I’m curious about the potential applications in physics and engineering.

    Reply
    • Nick Maso on 06/01/2025 1:19 PM

      You’re totally going to leave Dean Rubine out of this? He co-authored the paper!

      Reply
  16. pauline on 05/31/2025 8:49 AM

    Why did it take so long for someone to come up with this solution?

    Reply
  17. Coralie9 on 05/31/2025 8:50 AM

    What are power series and how do they relate to this discovery? 📚

    Reply
  18. john on 05/31/2025 8:53 AM

    This is a huge leap for math! Kudos to the team behind this! 🏆

    Reply
  19. Adriennetraveler on 05/31/2025 8:54 AM

    Is this method already being taught in universities?

    Reply
  20. carollotus on 05/31/2025 8:57 AM

    I can’t wait to see how this influences future mathematical research.

    Reply
  21. Agnes1 on 05/31/2025 8:59 AM

    Math never ceases to amaze me. Thanks for sharing this! 🌟

    Reply
  22. Juliet9 on 05/31/2025 9:02 AM

    How long did it take Wildberger to develop this method?

    Reply
  23. Miriam on 05/31/2025 9:03 AM

    So, does this mean we can finally say goodbye to irrational numbers in algebra? 🤔

    Reply
  24. Josie on 05/31/2025 9:05 AM

    Any chance this method will simplify other mathematical problems?

    Reply
  25. Thomas_volcano on 05/31/2025 9:06 AM

    What do traditionalists in math think about this revolutionary approach?

    Reply
  26. Julian on 05/31/2025 9:09 AM

    Thanks for the article! I’m intrigued to learn more about combinatorics now.

    Reply
  27. chloebalance on 05/31/2025 9:12 AM

    Can this method be applied to real-world problems, or is it purely academic?

    Reply
  28. sophia_vision on 05/31/2025 9:56 AM

    Can someone explain how this affects current computer science algorithms?

    Reply
  29. Inesshadow2 on 05/31/2025 10:49 AM

    I’m skeptical. How can one method solve what others couldn’t for millennia?

    Reply
  30. Raymond on 05/31/2025 11:42 AM

    Thank you, Norman Wildberger, for pushing the boundaries of mathematics. 🙌

    Reply
  31. Ahmed_volcano on 05/31/2025 12:35 PM

    Is this a practical solution, or more of a theoretical breakthrough?

    Reply
  32. Bob on 06/02/2025 2:05 AM

    Galois proved there was no algebraic solution to a fifth order polynomial. Power series are not algebraic. No mathematician has ever claimed there are no analytic solutions to higher order polynomials. This is a novel approach but it doesn’t overturn anything.

    Reply
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