Question 1009407
Simplify it and use formula for solution to a quadratic equation.


{{{12x^2+28x-5-120=0}}}
{{{12x^2+28x-125=0}}}


{{{x=(-28+- sqrt(28^2-4*12*(-125)))/(2*12)}}}


{{{x=(-28+- sqrt(6784))/(2*12)}}}---------simplify this expression.