Question

Determine which polynomial is a difference of two squares.

w2 + 16

w2 − 8

w2 + 64

w2 − 64

Answer 1

wich one can be written as a^2-b^2?

Answer 2

so we are down to two options the second and the last. we know w^2 is a perfect square, so we are left with 8 or 64, which one is a perfect square?

Answer 3

thanks its 64