Fermat's last theorem, for laypeople, states that there are no natural numbers in the equation x when n is greater than 2. A cube, it says, cannot be the sum of two cubes.

Source: https://www.slashfilm.com/1459865/futurama-the-simpsons-background-math-hardcore-fans/

However, in doing so, you use the Pythagorean theorem in any of its forms (e.g., the so-called “distance formula,” etc.).

Source: https://fivethirtyeight.com/features/can-you-waffle-your-way-to-a-proof/

Johnson and Jackson spoke on discovering new results in the understanding of the Pythagorean theorem.

Source: https://www.complex.com/life/new-orleans-teens-new-proof-math-pythagorean-theorem