Question 242313
{{{50z^5(y+15)=2*5^2*z^5*(y+15) }}}
{{{20z^6(y+15)^3=2^2*5*z^6*(y+15)^3}}}
{{{30z^7(y+15)^2=2*3*5*z^7*(y+15)^2}}}

{{{Common : 2*5*z^5*(y+15)=10z^5(y+15)}}}