Question

factorise the following​

Answer 1

Answer:

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

I hope it's helping for you ✌✌

Answer 2

SOLUTION

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

hope it helps ☺️