The answer is: " 9a² + 7a " .
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Note: (3a)² + 7a = (3a)*(3a) + 7a = 9a² + 7a .
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Answer:
Factors are (x-1), (x+1), and (x+2).
Step-by-step explanation:

Answer:
<h3>The answer is power.</h3>
Hope this helps you