Question

How do you write `P(x) = x^3 + 3x^2 − 4x` in factored form?

Answer 1

`x(x+4)(x-1)`

Explanation:

`x^3+3x^2-4x`
`x(x^2+3x-4)`
`x(x^2+4x-x-4)`
`x[x(x+4)-1(x+4)]`
`x(x+4)(x-1)`