(5) Find the remainder when x3 + 2x2 - 4x - 6 is divided by x+2
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Answered by
0
Answer:
reminder is 2
Step-by-step explanation:
x+2 is the factor
now
x+2=0
x=-2
p(x) =x³+2x²-4x-6
p(-2)=(-2)³+2*(-2)²-4(-2)-6
= -8+8+8-6
=8-6
=2
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