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What are the factors of x2 − 64? A. Prime B. (x − 4)(x + 16) C. (x − 8)(x − 8) D. (x + 8)(x − 8)
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4 votes
What are the factors of x2 − 64?

A. Prime
B. (x − 4)(x + 16)
C. (x − 8)(x − 8)
D. (x + 8)(x − 8)

User Eishon
by
5.4k points

2 Answers

5 votes

Answer:

D

Explanation:

User Smriti
by
5.1k points
7 votes
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 !)
User YMM
by
5.6k points
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