Question 149482
{{{4y^2-7y=0}}} Start with the given equation


{{{y(4y-7)=0}}} Factor the left side 



Now set each factor equal to zero:

{{{y=0}}} or  {{{4y-7=0}}} 


{{{y=0}}} or  {{{y=7/4}}}    Now solve for y in each case



So our answers are 


 {{{y=0}}} or  {{{y=7/4}}}