Posted by margie (: ! on Wednesday, June 25, 2008 at 6:09pm.
If A=3x^22x7 and B=x^2+9, then what is their sum, A+B?
a. 5x^22x+2
b. 4x^22x2
c. 4x^2+2
d. 4x^22x+2
e. none of these

algebra II (: !  bobpursley, Wednesday, June 25, 2008 at 6:57pm
add like terms, we will be happy to check your thinking.