Question

What is the standard form of `y=x^2(x+4)(x-5)`?

Answer 1

`y=x^4-x^3-20x^2`

Explanation:

`y=x^2(x+4)(x-5)`
`=>y=x^2(x^2-x-20)`
`=>y=x^4-x^3-20x^2`