What are the factors of x2 - 64?

A. Prime

B. (x - 4) (x + 16)

C. (x - 8) (x - 8)

D. (x + 8) (x - 8)

Question

Ramiro Reese

8 April, 16:11

+4

Answers (1)

Know the Answer?

Gloria Molina · Answer 1

X^2 - 64 uses the algebraic identity of a^2 - b^2

so x^2 - 64 = x^2 - 8^2 = (x - 8) (x + 8)

thus the answer should be D (not sure if i'm correct!)

What are the factors of x2 - 64?A. PrimeB. (x - 4) (x + 16)C. (x - 8) (x - 8)D. (x + 8) (x - 8)