Simplify the expression $(9x^2+3x+7)+(3x^2+7x^5+2)$. Express your answer as a polynomial with terms arranged in decreasing order of degree.
Question:
Simplify the expression $(9x^2+3x+7)+(3x^2+7x^5+2)$. Express your answer as a polynomial with terms arranged in decreasing order of degree.
Answer:
Let's think step by step.

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7x^5+12x^2+3x+9
Simplify the expression $(9x^2+3x+7)+(3x^2+7x^5+2)$. Express your answer as a polynomial with terms arranged in decreasing order of degree.
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