(m-4/m+4 -m+4/m-4)*m²-16/16 помогитеееее

Question

(m-4/m+4 -m+4/m-4)*m²-16/16 помогитеееее

Answer 1

1)(m-4)/(m+4)-(m+4)/(m-4)=(m²-8m+16-m²-8m-16)/(m²-16)=-16m/(m²-16)
2)-16m/(m²-16)*(m²-16)/16=-m