Question 118712
X^2+9X+7
3X^2+9X+5 NOW MULTIPLY
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3X^4+27X^3+21X^2+9X^3+81X^2+63X+5X^2+45X+35 NOW COMBINE  LIKE TERMS.
3X^4+36X^3+107X^2+108X+35 ANSWER.