Solve for x: (x2 + 2x + 1) = 25

A.

-6, -4

B.

6, -4

C.

6, 4

D.

-6, 4

E.

5, 5

View answer & explanation

Correct answer is D

x2 + 2x + 1 = 25

x2 + 6x - 4x -24= 0

x(x + 6) - 4(x + 6) = 0

(x - 4) - (x + 6) = 0

x = 4 or -6 = -6,4

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