Find the roots of quadratic equation: 2x2 + 5x + 2 = 0?

Quadratic Equations 10/11/2021

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

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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