Ответ:
15
Объяснение:
[tex]\frac{m^{2} }{2m-10} +\frac{25}{10-2m} =\frac{m^{2}(10-2m)+25(2m-10) }{(2m-10)(10-2m)} =\frac{10m^{2}-2m^{3}+50m-250 }{20m-4m^{2}-100+20m } =\frac{2(-m^{3}+5m^{2}+25m-125) }{2(-2m^{2}+ 20m-50)} =\frac{-m^{3}+5m^{2}+25m-125}{-2m^{2}+ 20m-50} =\frac{m+5}{2} =\frac{25+5}{2} =15[/tex]
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Answers & Comments
Ответ:
15
Объяснение:
[tex]\frac{m^{2} }{2m-10} +\frac{25}{10-2m} =\frac{m^{2}(10-2m)+25(2m-10) }{(2m-10)(10-2m)} =\frac{10m^{2}-2m^{3}+50m-250 }{20m-4m^{2}-100+20m } =\frac{2(-m^{3}+5m^{2}+25m-125) }{2(-2m^{2}+ 20m-50)} =\frac{-m^{3}+5m^{2}+25m-125}{-2m^{2}+ 20m-50} =\frac{m+5}{2} =\frac{25+5}{2} =15[/tex]