Question 460131: find the value of m if the expression x3+mx2+7x-6 has a remainder "-4" when the expression is divided by x+2 Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! find the value of m if the expression x3+mx2+7x-6 has a remainder "-4" when the expression is divided by x+2
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Use synthetic division:
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-2)....1....m.......7.........-6
........1....m-2....-2m+11...|..4m-28
Remainder: 4m-28 = -4
4m = 24
m = 6
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Cheers,
Stan H.
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