SOLUTION: For what value of x is x2-3x-18 positive

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Question 484200: For what value of x is x2-3x-18 positive
Answer by unlockmath(1603) About Me  (Show Source):
You can put this solution on YOUR website!
Hello,
Let's factor this x2-3x-18 =0 as:
(x-6)(x+3)=0
Solve for x
x=6
x=-3
There we go. x to be positive is 6
Make sense?
RJ
www.math-unlock.com