Question

Which polynomial identity will prove that 65 = 81 - 16?

Binomial Multiplication

Difference of Cubes

Sum of Cubes

Difference of Squares

Answer 1

hint : 81 = 9^2

Answer 2

hint2 : 16 = 4^2

Answer 3

hmmm difference of cubes

Answer 4

where do u see cubes lol ?

Answer 5

err not cubes lol
squares

Answer 6

I meant squares, I have no idea why I typed cubes lol

Answer 7

then Yes :)

Answer 8

65 = 81-16 = 8^2 - 4^2 = (9+4)(9-4) = (13)(6) = 65

Answer 9

works for me lol

Answer 10

:)