Question 330120
Use the FOIL method,
{{{(s+1/3)(s+1/4)=s^2+(1/4)s+(1/3)s+1/12}}}
{{{(s+1/3)(s+1/4)=s^2+(3/12)s+(4/12)s+1/12}}}
{{{(s+1/3)(s+1/4)=s^2+(7/12)s+1/12}}}