Question 156978


{{{6x^2+42x=0}}} Start with the given equation



{{{6x(x+7)=0}}} Factor out the GCF {{{6x}}}




Now set each factor equal to zero:



{{{6x=0}}} or  {{{x+7=0}}} 




{{{x=0}}} or  {{{x=-7}}}    Now solve for x in each case



So the answers are 



 {{{x=0}}} or  {{{x=-7}}}