Question 1180086


{{{w^2+7w-60=0}}}

{{{w^2+12w-5w-60=0}}}

{{{(w^2+12w)-(5w+60)=0}}}

{{{w(w+12)-5(w+12)=0}}}

{{{(w - 5) (w + 12) = 0}}}


solutions:

{{{w=5}}}

{{{w=-12}}}