alleryThe roots of $x^2 + 4x + 4 = 0$ are:
A2 and 2
B−2 and −2 (equal roots)
C−2 and 2
D−4 and −1
Answer & Solution
Correct answer: B. −2 and −2 (equal roots)
x²+4x+4 = (x+2)², so both roots are −2 (D=0).
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