SOLUTION: i need help with this problem. 3a^3+10a^2-5a+12 divided by a+4.

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Question 435217: i need help with this problem.
3a^3+10a^2-5a+12 divided by a+4.
Found 2 solutions by stanbon, Gogonati:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
3a^3+10a^2-5a+12 divided by a+4.
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Using synthetic division:
-4)....3....10....-5....12
........3.....-2....3...|..0
Quotient: 3x^2-2x+3
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Cheers,
Stan H.
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Answer by Gogonati(855) About Me  (Show Source):
You can put this solution on YOUR website!
%283a%5E3%2B10a%5E2-5a%2B12%29%2F%28a%2B4%29=3a%5E2-2a%2B3, multiplying both sides by a+4, we have:
3a%5E3%2B10a%5E2-5a%2B12=%28a%2B4%29%283a%5E2-2a%2B3%29.
done.