SOLUTION: Find k so that x+2 is a factor of x^3 - kx^2 + 3x + 7k Can you please help me out? Thanks so much in advance:)

SOLUTION: Find k so that x+2 is a factor of x^3 - kx^2 + 3x + 7k Can you please help me out? Thanks so much in advance:)

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Question 825879: Find k so that x+2 is a factor of x^3 - kx^2 + 3x + 7k
Can you please help me out? Thanks so much in advance:)
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
When I do the division ,
I get with a remainder of
I want to make the remainder zero, so

-------------
check:

This should equal the original equation with - you can finish

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