Solve for x: (x\(^2\) + 2x + 1) = 25
A
-6, -4
B
6, -4
C
6, 4
D
-6, 4
E
5, 5
Verified Correct Answer: D.
Step-by-Step Mathematical Solution
x\(^2\) + 2x + 1 = 25
x\(^2\) + 6x - 4x -24= 0
x(x + 6) - 4(x + 6) = 0
(x - 4)(x + 6) = 0
x = 4 or -6
Source: Myschool Past Questions Archive (Record #22416)