algebra II (: !

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If A=3x^2-2x-7 and B=x^2+9, then what is their sum, A+B?

a. 5x^2-2x+2
b. 4x^2-2x-2
c. 4x^2+2
d. 4x^2-2x+2
e. none of these

  • algebra II (: ! -

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

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