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28 October, 15:25

Solve by using the perfect squares method.

(2x + 4) ^2 = 64

Question 2 options:

{-1, 5}

{2, - 6}

{1, - 5}

{-2, 6}

+1
Answers (1)
  1. 28 October, 17:04
    0
    2x+4=sqrt (64)

    x=8-4/2

    x=-8-4/2

    x=2 and x = - 6
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