Question

How do you simplify `(20x^3-20x^4)/(x^2-2x+1)`?

Answer 1

`-(20x^3)/(x-1)`

Explanation:

Factor the numerator and denominator.
`((20x^3)(1-x))/(x-1)^2`
`(1-x)` can be rewritten as `-1 * (x-1)`
Now you have `(-(20x^3)(x-1))/(x-1)^2`
Cancel like terms.
`(-20x^3)/(x-1)`