Question 57531
x^2+25x-84
{{{x = (-25 +- sqrt( (25)^2-(4)(1)(-84) ))/((2)(1)) }}}
.
{{{x = (-25 +- sqrt( ((625+336)) ))/((2)) )}}} 
.
{{{x = (-25 + sqrt( ((961)) ))/((2)) )}}}
.
{{{x = (-25+31)/((2)) )}}}=3
.
{{{x = (-25-31)/((2)) )}}}=-28