SOLUTION: Find all real solutions of the equation. x^3+6x^2-3x-18=0

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Question 308943: Find all real solutions of the equation.
x^3+6x^2-3x-18=0
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
x^3+6x^2-3x-18=0
x^2(x+6)-3(x+6)=0
(x^2-3)(x+6)=0
x^2=3
x=sqrt(3), x=-sqrt(3), x=-6
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Ed