Question 130614


{{{7a^2+9a+2=0}}} Start with the given equation


{{{(a+1)(7a+2)=0}}} Factor the left side (note: if you need help with factoring, check out this <a href=http://www.algebra.com/algebra/homework/playground/change-this-name4450.solver>solver</a>)




Now set each factor equal to zero:

{{{a+1=0}}} or  {{{7a+2=0}}} 


{{{a=-1}}} or  {{{a=-2/7}}}    Now solve for a in each case



So our answer is 

 {{{a=-1}}} or  {{{a=-2/7}}}