SOLUTION: need help on this one (x^3+8x^2+21x+20) / (x+4)

Question 63564: need help on this one
(x^3+8x^2+21x+20) / (x+4)
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!

It's a straight forward long division
............ x^2 + 4x + 5
......._______________________
x + 4 ) x^3 + 8x^2 + 21x + 20
............-x^3 - 4x^2
............___________
.........................4x^2 + 21x
........................-4x^2 - 16x
........................____________
........................................5x + 20
.......................................-5x - 20
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