SOLUTION: Use grouping to factor each polynomial completely x^3+ax+3a+3x^2 Thank you for your help

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Question 78639This question is from textbook Elementary and Intermediate Algebra
: Use grouping to factor each polynomial completely
x^3+ax+3a+3x^2
Thank you for your help This question is from textbook Elementary and Intermediate Algebra

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
x^3+ax+3a+3x^2
Factor the 1st two and the last two terms separately, as follows:
= x(x^2+a)+3(x^2+a)
= (x^2+a)(x+3)
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Cheers,
Stan H.