3r+n2−r+5−2n+2<span />=3r+n2+−r+5+−2n+2=3r+n2+−r+5+−2n+2<span />=(n2)+(−2n)+(3r+−r)+(5+2)<span />=n2+−2n+2r+7<span /><span />
=n2−2n+2r+7
Answer:
12
Step-by-step explanation:
Answer:
I cannot see the screen. Write it out please and I will answer.
Step-by-step explanation:
