Question

$(frac{2}{m-2}-frac{8}{m^2-4}-frac{1}{m+2})(m^2+4m+4)$

Answer 1

$(frac{2}{m-2}-frac{8}{m^2-4}-frac{1}{m+2})(m^2+4m+4)= frac{2(m+2)-8-m+2}{m-2}cdot(m+2)^2= \ frac{2m+4-8-m+2}{m-2}cdot(m+2)^2=frac{m-2}{m-2}cdot(m+2)^2=(m+2)^2$

Answer 2

спасибо