помогите пожалуйста 81 задание
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Ответил m11m
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81.
![( frac{m+3}{(m+2)^2}- frac{2(m+3)}{m^2+2m+3m+6} )* frac{(m-2)(m+2)}{m+1} = \ \
=( frac{m+3}{(m+2)^2}- frac{2(m+3)}{m(m+2)+3(m+2)} )* frac{(m-2)(m+2)}{m+1}= \ \
=( frac{m+3}{(m+2)^2}- frac{2(m+3)}{(m+2)(m+3)} )* frac{(m-2)(m+2)}{m+1}= \ \
=( frac{m+3}{(m+2)^2}- frac{2}{m+2} )* frac{(m-2)(m+2)}{m+1}= \ \
=( frac{m+3-2(m+2)}{(m+2)^2} )* frac{(m-2)(m+2)}{m+1}= \ \
= frac{m+3-2m-4}{m+2}* frac{m-2}{m+1}= frac{-m-1}{m+2}* frac{m-2}{m+1}= \ \](https://tex.z-dn.net/?f=%28+frac%7Bm%2B3%7D%7B%28m%2B2%29%5E2%7D-+frac%7B2%28m%2B3%29%7D%7Bm%5E2%2B2m%2B3m%2B6%7D++%29%2A+frac%7B%28m-2%29%28m%2B2%29%7D%7Bm%2B1%7D+%3D+%5C++%5C+%0A%3D%28+frac%7Bm%2B3%7D%7B%28m%2B2%29%5E2%7D-+frac%7B2%28m%2B3%29%7D%7Bm%28m%2B2%29%2B3%28m%2B2%29%7D++%29%2A+frac%7B%28m-2%29%28m%2B2%29%7D%7Bm%2B1%7D%3D+%5C++%5C+%0A%3D%28+frac%7Bm%2B3%7D%7B%28m%2B2%29%5E2%7D-+frac%7B2%28m%2B3%29%7D%7B%28m%2B2%29%28m%2B3%29%7D++%29%2A+frac%7B%28m-2%29%28m%2B2%29%7D%7Bm%2B1%7D%3D+%5C++%5C+%0A%3D%28+frac%7Bm%2B3%7D%7B%28m%2B2%29%5E2%7D-+frac%7B2%7D%7Bm%2B2%7D++%29%2A+frac%7B%28m-2%29%28m%2B2%29%7D%7Bm%2B1%7D%3D+%5C++%5C+%0A%3D%28+frac%7Bm%2B3-2%28m%2B2%29%7D%7B%28m%2B2%29%5E2%7D+%29%2A+frac%7B%28m-2%29%28m%2B2%29%7D%7Bm%2B1%7D%3D+%5C++%5C+%0A%3D+frac%7Bm%2B3-2m-4%7D%7Bm%2B2%7D%2A+frac%7Bm-2%7D%7Bm%2B1%7D%3D+frac%7B-m-1%7D%7Bm%2B2%7D%2A+frac%7Bm-2%7D%7Bm%2B1%7D%3D+%5C++%5C+%0A "( frac{m+3}{(m+2)^2}- frac{2(m+3)}{m^2+2m+3m+6} )* frac{(m-2)(m+2)}{m+1} = \ \
=( frac{m+3}{(m+2)^2}- frac{2(m+3)}{m(m+2)+3(m+2)} )* frac{(m-2)(m+2)}{m+1}= \ \
=( frac{m+3}{(m+2)^2}- frac{2(m+3)}{(m+2)(m+3)} )* frac{(m-2)(m+2)}{m+1}= \ \
=( frac{m+3}{(m+2)^2}- frac{2}{m+2} )* frac{(m-2)(m+2)}{m+1}= \ \
=( frac{m+3-2(m+2)}{(m+2)^2} )* frac{(m-2)(m+2)}{m+1}= \ \
= frac{m+3-2m-4}{m+2}* frac{m-2}{m+1}= frac{-m-1}{m+2}* frac{m-2}{m+1}= \ \")
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