Question 847120
 {{{6x^2-11x-10}}}
 (3x + 2  )(2x - 5)= 0    x is  - 2/3,  5/2
Quadratic EQ ALWAYS works
{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}}
{{{x = (11 +- sqrt( 361 ))/(12)}}}
 {{{x = (11 +- 19)/12 }}} 
     30/12 = 5/2  and    -8/12 = -2/3