Question 447096
{{{49w^2-25=0}}}
{{{(7w)^2-(5)^2=0}}}
{{{(7w+5)(7w-5)=0}}} ... difference of squares
{{{7w+5=0}}} or {{{7w-5=0}}}
{{{w=-5/7}}} or {{{w=5/7}}}