Question

2 X square + 7 x minus 15 do this with splitting the middle term

Answer 1

2x^2+7x-15
2x^2+10x-3x-15
2x(x+5)-3(x+5)
(2x-3) (x+5)


hope it helps you

Answer 2

2x^2 + 7x - 15
=> 2x^2 + ( 10 - 3 ) x -15
=> 2x^2 + 10x - 3x - 15
=> 2x ( x + 5 ) -3 ( x + 5)
=> ( 2x - 3 ) ( x + 5 )