Question

Need help with questions 18,20, and 22 please and thank you

Answer 1

18. x² + x - 4

20.
`(x^(2) +2x-3)/(x+1)` or
`x + 1 - (4)/(x+1)`

22. x² + 2x - 2

Explanation:

For some reason my work was unable to be submitted so please see attachment for detailed explanation