7(m-2) (m+2) 2m²+4m+8
(------------- - --------------- )* --------------------- =
m³-8 m²+2m+4 m-3
7(m-2) (m+2) 2(m²+2m+4)
(--------------------------- - --------------- )* --------------------- =
( m-2)( m²+2m+4) m²+2m+4 m-3
7(m-2) - (m+2)*( m-2) 2(m²+2m+4)
(--------------------------------- )* --------------------- =
( m-2)( m²+2m+4) m-3
(m-2)*(7 - (m+2)) 2(m²+2m+4) 2*(7- (m+2)) 2*(5-m)
(--------------------------------- )* --------------------- = ------------------ = --------------
( m-2)( m²+2m+4) m-3 m-3 m-3