Question

Simplify 3r+n^2-r+5-2n+2

Answer 1

3r+ n^2 -r+ 5 -2n+ 2
= n^2+ (3r -r) -2n+ (5+ 2) (combine like terms)
= n^2+ 2r -2n+ 7

The final answer is n^2+ 2r -2n+ 7~