Question 775681
{{{2x^2 + 3x – 3 = 0}}}
{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}}
{{{a=2}}}, {{{b=3}}}, {{{c=-3}}}
{{{x = (-3 +- sqrt( 3^2-4*2*(-3) ))/(2*2) }}}
{{{x = (-3 +- sqrt( 33 ))/4 }}}
{{{x[1]=(-3 - sqrt( 33 ))/4 =-2.186}}}
{{{x[2]=(-3 + sqrt( 33 ))/4 =0.686}}}