Factor completely 4x2 − 81. (1 point) a (4x − 9)(x + 9) b (2x + 9)(2x + 9) c (2x + 9)(2x − 9) d (2x − 9)(2x − 9)

Benoni asked Sep 4, 2023

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27 votes

Factor completely 4x2 − 81. (1 point)

a
(4x − 9)(x + 9)

b
(2x + 9)(2x + 9)

c
(2x + 9)(2x − 9)

d
(2x − 9)(2x − 9)

Benoni asked Sep 4, 2023

2.4k points

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26 votes

Answer:

(2x-9)(2x+9)

Use the difference of square method. square root both sides and the answer has to be in postive and negative

DoubleVoid answered Sep 10, 2023

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