algebra II (: !
posted by margie (: ! .
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

add like terms, we will be happy to check your thinking.
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