Find the roots of quadratic equation: 2×2 + 5x + 2 = 0 ?

– by 0

A. 4, 1
B. -2, 5/2
C. -2, -1/2
D. 4, -1

Explanation:

2×2 + 4x + x + 2 = 0
2x(x + 2) + 1(x + 2) = 0
(x + 2)(2x + 1) = 0 => x = -2, -1/2

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