Question 324078
{{{3x(3x + 4) =  -4}}}
{{{9x^2+12x=-4}}}
{{{9x^2+12x+4=0}}}
{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}}
{{{x = (-12 +- sqrt( 12^2-4*9*4 ))/(2*9) }}}
{{{x = (-12 +- sqrt( 144-144 ))/(18) }}}
{{{x = (-12 +- sqrt( 0 ))/(18) }}}
{{{x = -12/18 }}}
{{{x=-2/3}}}
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{{{drawing(300,300,-5,5,-5,5,grid(1),circle(-2/3,0,.2),graph(300,300,-5,5,-5,5, 9x^2+12x+4))}}}