Question

What is the expression –9r2 – 2r + r2 + r written in simplest form?

Answer 1

Answer:

$\huge\boxed{-9r^2-2r+r^2+r=-8r^2-r}$

Step-by-step explanation:

$-9r^2-2r+r^2+r$

combine like terms

$(-9r^2+r^2)+(-2r+r)=-8r^2-r$