SOLUTION: x^2+12x-7

Question 131672: x^2+12x-7
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
x^2+12x-7
Using the quadratic equation: we get:
x=(-12+-sqrt[12^2-4*1*-7])/2*1
x=(-12+-sqrt[144+28])/2
x=(-12+-sqrt[172)/2
x=(-12+-13.115)/2
x=(-12+13.115)/2
x=1.115/2
x=.557 answer.
x=(-12-13.115)/2
x=-25.115/2
x=-12.557 answer.
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