Question 155070
{{{4x^2+12x=0}}}
Factor out an x from each term.
{{{x(4x+12)=0}}}
Since the product equals 0, find each individual solution that yields zero.
 {{{x(4x+12)=0}}}
First solution
{{{x=0}}}
Second solution
{{{4x+12=0}}}
{{{4x=-12}}}
{{{x=-3}}}
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Check your answers with your original equation.
{{{4x^2+12x=0}}}
{{{4(0)+12(0)=0}}}
{{{0=0}}}
Good answer.
{{{4(-3)^2+12(-3)=0}}}
{{{4*9-36=0}}}
{{{0=0}}}
Good answer.