lizziewalk3r lizziewalk3r

28-03-2022
Mathematics

contestada

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)

Respuesta :

cutegirlhayat8 cutegirlhayat8

29-03-2022

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

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