SOLUTION: Determine the value of k in f(x) = 5x^3+kx^2-4x+4 so that x+2 is a factor
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Question 1047655: Determine the value of k in f(x) = 5x^3+kx^2-4x+4 so that x+2 is a factor
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
Determine the value of in so that is a factor
That is a factor of means exactly that
.
That is you want to solve the equation:
for
so, we have
check if is factor
....write as and as
...group
......so, is factor
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