Algebraeasy · Past Paper
Solve: x^2 + 2x + 1 = 0
A1, 1
B-1, -1
C1, -1
D0, -1
✓ Correct Answer: B — -1, -1
x^2 + 2x + 1 = (x+1)^2 = 0, so x = -1, -1.
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✓ Correct Answer: B — -1, -1
x^2 + 2x + 1 = (x+1)^2 = 0, so x = -1, -1.
Share this question