SOLUTION: Use grouping to factor completely: x^3+ax+3a+3x^2

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Question 400580: Use grouping to factor completely: x^3+ax+3a+3x^2
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
x^3+ax+3a+3x^2
(x^3+ax)+(3a+3x^2)
x(x^2+a)+3(a+x^2)
x(x^2+a)+3(x^2+a)
(x^2+a)(x+3)