(m-2/m+2-m+2/m-2):4m/m²-4

Question

(m-2/m+2-m+2/m-2):4m/m²-4

Answer 1

((m-2)^2-(m+2)^2/m^2-4):4m/m^2-4= (-8m/m^2-4):4m/m^2-4 =(-8m•(m^2-4))/ ((m^2-4)•4m)=-2