Question 80771
5x^2 + 2x + 7 = 0

The quadratic formula:

{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}}

So all you need to do is find a, b, and c in the equation and plug them into the formula.

A in this case would be +5.

B would be +2.

C would be +7.