Question

9x2-12x -5
$9x ^{2} -12x - 5$
factorise

Answer 1

$9 {x}^{2} - 12x - 5 = 0\\ 9 {x}^{2} - 3x + 15x - 5 = 0 \\ 3x(3x - 1) + 5(3x - 1) = 0\\ (3x + 5)(3x - 1) = 0 \\ x = \frac{ - 5}{3} \\ x = \frac{1}{3}$

Answer 2

9x^2-12x-5
9x^2+15x-12x-5