Question

How do you factor `10x^2 + 15x - 10`?

Answer 1

The factors are `5, (x+2), (2x−1)`

Explanation:

`10x^2 + 15x -10`
`= 10x^2 + 20x - 5x -10`
`= 10x(x+2) -5(x+2)`
`= (10x-5)(x+2)`
`= 5(x+2)(2x-1)`