Question

Question #f08a2

Answer 1

x ( x + 3 )( x - 5 )

Explanation:

Given, `x^3-2x^2-15x`

`rArr x(x^2-2x-15)` [We have to do middle term factor]

`rArr x[x^2+(3-5)x-15]`

`rArr x[x^2+3x-5x-15]`

`rArr x[x(x+3)-5(x+3)]`

`rArr x(x+3)(x-5)`