Question

Factor completely x2 − 49. (x − 7)(x − 7) (x 7)(x − 7) (x 7)(x 7) Prime.

Answer 1

B. (x+7)(x-7)

I just took the test and got it correct. Thx

Explanation:

Answer 2

X2-49(x-7) (x-7) (x7) (x-7) (x7) (x7)
X^2-49(x-7)(x-7)x^7(x-7)x^7x^7
=x^2-49x^21(x-7)^3