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A) X ^ 2 - 4 = 0 (x + 2)(x - 2) x = - 2 x = 2 B) (x + 8) ^ 2 = 0 x + 8 = 0 x = - 8 C) x ^ 2 + 6x + 9 = 0 (x + 3) ^ 2 = 0 x + 3 = 0 x = - 3 D) (x - 4)(x + 3) x = 4 x = - 3.

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Ohhgy
6

A) X ^ 2 - 4 = 0

(x + 2)(x - 2)

x = - 2

x = 2

B) (x + 8) ^ 2 = 0

x + 8 = 0

x = - 8

C) x ^ 2 + 6x + 9 = 0

(x + 3) ^ 2 = 0

x + 3 = 0

x = - 3

D) (x - 4)(x + 3)

x = 4

x = - 3.