SOLUTION: solve the equation using the quadratic formula 2x2=-12x-3

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Question 725148: solve the equation using the quadratic formula 2x2=-12x-3
Answer by lynnlo(4176) About Me  (Show Source):
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2X^2-12X-3
b^2-4(a)(c)
(-12)^2-4(2)(-3)=168
-b±√b^2-4(a)(c)/2a
12±√(-12)^2-4(2)(-3)/2^2
12±√168/4=12±√4x42/4
=12±2√42
=3±0.5√42/1
=3±0.5√42