college algebra division
posted by Brianna .
(5x^43x^3+2x^21)/(x^2+4)

5x^2 3x 18 +((12x+71)/(x^2+4))
___________________________
x^2 +4 5x^4 3x^3 +2x^2 +0x 1
5x^4 20x^2

3x^3 18x^2 +0x 1
+3x^2 +12x

18x^2+12x 1
+18x^2 +72

12x +71 
Whoops, some of it didn't line up, but I used the long division method
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