Question 1033979
If ax^3 + 2x^2 + 5 is exactly divisible by x+1,what is the value of a? 
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Use synthetic division::
-1)....a....2....0....5
.......a...2-a..a-2..|..7-a
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Solve:
7-a = 0
a = 7
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Cheers,
Stan H.
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