SOLUTION: Factor out the greatest common factor (q - 3)7 + (q - 3)q I am not understanding how to factor polynomials

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Question 154207: Factor out the greatest common factor
(q - 3)7 + (q - 3)q


I am not understanding how to factor polynomials

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Start with the given expression.


Let . So we now get:


Replace with "z"


Factor out the GCF


Plug in


So factors to

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