Question

FACTORISE THESE TRINOMIALS;
2X^-7X-15

Answer 1

Howdy!!

your answer is ----

we have ,

$2 {x}^{2} - 7x - 15 \\ = 2 {x}^{2} - 10x + 3x - 15 \\ = 2x(x - 5) + 3(x - 5) \\ = (x - 5)(2x + 3)$



hope it help you

Answer 2

2x^2-7x-15
2x^2-[10-3]x-15
2x^2-10x-3x-15
2x[x-5]-3[x-5]
[x-5][2x-3]