OpenStudy (anonymous):

Find the sum. (4n2 + 2n + 8) + (5n2 + n + 13) 9n4 + 3n2 + 21 9n2 + 3n + 21 9n2 + 2n + 21

OpenStudy (anonymous):

9n^2 + 3n + 21

OpenStudy (anonymous):

she is right !!!!

OpenStudy (anonymous):

he is right!

OpenStudy (anonymous):

just the answer please

OpenStudy (anonymous):

i gave you just the answer

OpenStudy (anonymous):

9n^2+3n+21

OpenStudy (sasogeek):

the second one

OpenStudy (sasogeek):

4n2+5n2+2n+n+8+13=9n2+3n+21