SOLUTION: Solve the equation x^3 +2x^2 -5x-6=0 given that 2 is a zero of f(x)=x^3+2x^2 -5x-6 The solution set is { }

Algebra ->  Graphs -> SOLUTION: Solve the equation x^3 +2x^2 -5x-6=0 given that 2 is a zero of f(x)=x^3+2x^2 -5x-6 The solution set is { }      Log On


   

Question 1011729: Solve the equation x^3 +2x^2 -5x-6=0 given that 2 is a zero of f(x)=x^3+2x^2 -5x-6
The solution set is { }
Found 2 solutions by It is costly, Alan3354:
Answer by It is costly(175) About Me  (Show Source):
Answer by Alan3354(69443) About Me  (Show Source):
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Solve the equation x^3 +2x^2 -5x-6=0 given that 2 is a zero of f(x)=x^3+2x^2 -5x-6
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Confirm that 2 is a zero.
If f(2) = 0, ...
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Divide by x-2
Solve the quadratic.