SOLUTION: What is the answer to {{{ 2x^2+12x+22=0 }}} I have tried this already and I came up with some crazy answer of x= -1.625 and x= -4.375.

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equation Customizable Word Problems -> SOLUTION: What is the answer to {{{ 2x^2+12x+22=0 }}} I have tried this already and I came up with some crazy answer of x= -1.625 and x= -4.375.      Log On


   

Question 429757: What is the answer to +2x%5E2%2B12x%2B22=0+
I have tried this already and I came up with some crazy answer of x= -1.625 and x= -4.375.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
2x^2+12x+22=0
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2(x^2+6x+11) = 0
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x^2+6x+11 = 0
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Quadratic Formula:
x = [-6 +- sqrt(36-4*11)]/2
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x = [-6 +- sqrt(-8)]/2
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x = [-6 +- 2isqrt(2)]/2
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x = [-3+sqrt(2)i] or x = [-3-sqrt(2)i]
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Cheers,
Stan H.