Question

3 X square + 14 x + 15

Answer 1

$hey \: dude \: your \: answer \: is \: here \\ = 3 {x}^{2} + 14x + 15 = 0 \\ = 3 {x}^{2} (9 + 5)x + 15 = 0 \\ = 3 {x}^{2} + 9x + 5x + 15 = 0 \\ = 3x(x + 3) + 5(x + 3) = 0 \\ = (x + 3)(3x + 5) = 0 \\ = x + 3 = 0 \\ = x = - 3 \\ = 3x + 5 = 0 \\ = x = - \frac{5}{3} \\ = x = - \: 5 \: or \: - \frac{5}{3} \\ thanks$