FunctionsMath
posted by vicky .
find the value of k such that when 2x^3+9x^2+kx15 is divided by x+5, the remainder is 0.

In google type :
2x^3+9x^2+kx15 is divided by x+5, the remainder is 0
When you see list of results click on
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