Question 131672
x^2+12x-7
Using the quadratic equation:{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}} 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.