find the value of k such that when 2x^3+9x^2+kx-15 is divided by x+5, the remainder is 0.

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2x^3+9x^2+kx-15 is divided by x+5, the remainder is 0

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Y a h o o! Canada Answers - Polynomial Division Problem?

You will see solution with explanation.
in fact , u can substitude -5 into the x variable,and the write it like this:

2(-5)^3+9(-5)^2+k(-5)-15=0

then plz find k
6x3 + 29x2 + 2x – 90 is divided by x + 3