Question

How to factor 4x^2+7x-15

Answer 1

`4x^2+7x-15`

Break the expression into group:


`(4x^2+5x)+(12x-15)`

factor out x from 4x² - 5x : x (4x-5)
factor out 3 from 12x-15 : 3 (4x-5)


`=x(4x-5)+3(4x-5)`

factor out common term (4x-5) :


`= (4x-5)(x+3)`

hope this helps!