(e+5) / (e-3) (e+3)+(e+4) /e (-e-3) cократите дробь! Срочно

… =(e+5) / (e-3) (e+3) — (e+4) /e (e+3)=(e (e+5) — (e+4) (e-3) /e (e-3) (e+3)=(e^2+5e-e^2+3e-4e+12) /e (e+3) (e-3)=(4e-12) /e (e-3) (e+3)=(4 (e-3) /e (e-3) (e+3)=4/e (e+3) e^2-это e в квадрате.