Question

Find the zeroes of quadric equation polynomial 5x2+8x-4

Answer 1

hey frnd....
$5 {x}^{2} + 8x - 4 \\ 5 {x}^{2} + 10x - 2x - 4 \\ 5x(x + 2) - 2(x + 2) \\ (x + 2)(5x - 2) \\ x = - 2 \: or \: x = \frac{2}{5}$
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