Question

factorise 15x square + 3x-18​

Answer 1

${15x}^{2} + 3x - 18$

${15x}^{2} + 18x - 15x - 18$

$3x(5x + 6) - 3(5x + 6)$

(3x - 3) (5x + 6)

x = 3/3, x = -6/5

x = 1, x = -6/5 Ans.