Question 330925
Use the FOIL Method,
{{{(s+1/4)(s+1/5)=s^2+s/5+s/4+1/20}}}
{{{(s+1/4)(s+1/5)=s^2+(4s)/20+(5s)/20+1/20}}}
{{{(s+1/4)(s+1/5)=s^2+(9/20)s+1/20}}}