Question 895848
Factor numerator and denominator.
{{{(z^2+10z+25)/(z^2+6z+5)=(z+5)^2/((z+5)(z+1))}}}
Eliminate common factors in numerator and denominator.
{{{(z^2+10z+25)/(z^2+6z+5)=(z+5)/(z+1)}}}