Question

How do you simplify `(2x^(3)-4x^(2)+12x+18)/(x+1)`?

Answer 1

`2x^2-6x+18`

Explanation:

You have to make a long division
`(2x^3-4x^2+12x+18)/(x+1)=2x^2-6x+18`
Checking
`(2x^2-6x+18)(x+1)=2x^3-6x^2+18x+2x^2-6x+18`

Grouping similar terms
`=2x^3-4x^2+12x+18`