[tex]\displaystyle 11t^2+44t-(t+4)=0\\11t^2+44t-t-4=0\\11t^2+43t-4=0\\11t^2+44t-t-4=0\\11t(t+4)-(t+4)=0\\(t+4)(11t-1)=0\\t+4=0,11t-1=0\\\\t_1=-4,t_2=\frac{1}{11}[/tex]