SOLUTION: x^4+3x^2+2x^3+6x please factor x^2+3xa+6x+18a please factor

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Question 289821: x^4+3x^2+2x^3+6x please factor
x^2+3xa+6x+18a please factor


Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
(x^4 + 3x^2) + (2x^3 + 6x)

x^2(x^2 + 3) + 2x(x^2 + 3)

x (x + 2) (x^2 + 3)


(x^2 + 6x) + (3xa +18a)

x(x + 6) + 3a(x + 6)

(x + 3a) (x + 6)