203k views
3 votes
Simplify the following expression.

(4x - 7)(4x + 7)
A.
16x2 - 14
B.
16x2 - 56x - 49
C.
16x2 + 56x - 49
D.
16x2 - 49

2 Answers

6 votes

Answer:

D

Explanation:

16x2 - 49

User Albaz
by
8.5k points
5 votes

Answer:

D

Explanation:

Use the FOIL method and multiply it out, and you should get

16x^2+28x-28x-49

Simplify that and you get the answer.

User Rich Andrews
by
8.8k points
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