SOLUTION: What must be subtracted from 4x^3+16x^2-x+5 to obtain a polynomial which is exactly divisible by x+5

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Question 879687: What must be subtracted from 4x^3+16x^2-x+5 to obtain a polynomial which is exactly divisible by x+5
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

Synthetic division show us:   -90 needs to be subtracted

-5	4	16	-1	5

		-20	20	-95

	4	-4	19	 -90 (-90 - (-90) = 0)