Question

PLEASE Need help !!

Answer 1

options:

Answer 2

option c: 59
option d: 69

Answer 3

You should recognize immediately the "Difference of Squares"

(a+b)(a-b) = a^2 - b^2

Go!

Answer 4

@tkhunny i don't understand wat u just said

Answer 5

No one has ever allowed you to see a "Difference of Squares"?

a^2 - b^2 = (a+b)(a-b)

Your problem statement is the factored version: (a+b)(a-b)
Turn it into the other version: a^2 - b^2