SOLUTION: 4x to the second minus 12x equals 7

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Question 974409: 4x to the second minus 12x equals 7
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
(4x)^2-12x=7
16x^2-12x-7=0
Quadratic formula
x=(1/32) 12 +/- sqrt ( 144+448)
x=(1/32) 12 +/- sqrt(592)
x=(1/32) 12+/- 24.33
x=1.13, -0.385
graph%28300%2C300%2C-10%2C10%2C-10%2C30%2C16x%5E2-12x-7%29