SOLUTION: Solve {{{ x^2+18x-4=0 }}} The solution is x = ??? please simplify please help me i am really lost

Question 359299: Solve

The solution is x = ???

please simplify

please help me i am really lost
Answer by unlockmath(1688) (Show Source): You can put this solution on YOUR website!
Hello,
For this one we'll need to us the following formula:

Plug in the numbers and work it out. I'll give you a head start:
x^2+18x-4
(-18+- sqrt(18^2-4*4)/2
rewritten as:
{-18+-sqrt(308)}/2
I'll let you figure the rest. Deal?
RJ
ww2w.math-unlock.com
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