Question 740
The easiest way to solve this equation is by using the quadratic formula:

{{{x = (-9 +- sqrt( 9^2-4*5*(-2) ))/(2*5) }}}

{{{x= (-9 +- sqrt(81+40))/10}}}

{{{x= (-9 +- 11)/10}}}

{{{x= 2/10}}},{{{x=-20/10}}}

{{{x=1/5}}},{{{x=-2}}}