SOLUTION: Now this problem makes no sense to me because my answer is now where near the answer key. I could sure use some help. Here's the problem: x^4+81 divided by x+3

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Question 966023: Now this problem makes no sense to me because my answer is now where near the answer key. I could sure use some help.
Here's the problem:
x^4+81 divided by x+3

Answer by josgarithmetic(39620)   (Show Source): You can put this solution on YOUR website!
Be sure you include all "place values" which the dividend represents, even if they are 0.


x+3_____________|__________________________________________________________
_______________|______x^4________0*x^3_______0*x^2________0*x________81
_______________|
_______________|____________________________


x+3_____________|______x^3____________________________________________________
_______________|______x^4________0*x^3_______0*x^2________0*x________81
_______________|______x^4________3x^3
_______________|____________________________


x+3_____________|______x^3____________________________________________________
_______________|______x^4________0*x^3_______0*x^2________0*x________81
_______________|______x^4________3x^3
_______________|____________________________
_______________________0________-3x^3_______0*x^2


x+3_____________|______x^3_______-3x^2_____________________________________________
_______________|______x^4________0*x^3_______0*x^2________0*x________81
_______________|______x^4________3x^3
_______________|____________________________
_______________________0________-3x^3_______0*x^2
________________________________-3x^3_______-9x^2
_____________________________________________________
__________________________________0__________9x^2


You should continue and finish this....
Tell if you have trouble. The process works just like you have already been taught as for Long Division.

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