Question

3/4x^2+8x+20=0 factor

Answer 1

$\frac{3}{4} {x}^{2} + 8x + 20 = 0$
multiplied by 4
$3 {x}^{2} + 32x + 80 = 0 \\ (3x + 20)(x + 4) = 0 \\ so \: x = - \frac{20}{3} \: or \: x = - 4$