Упростите выражение:
1)[tex]x- \frac{x}{x+1} [/tex]
2)[tex]\frac{m+2}{4m} - \frac{1}{m+4} [/tex]
1)[tex]x- \frac{x}{x+1} [/tex]
2)[tex]\frac{m+2}{4m} - \frac{1}{m+4} [/tex]
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Answers & Comments
x-x/(x-1)=(x²+x-x)/(x+1)=x²/(x-1)
2
(m+2)/4m-1/(m+4)=(m²+4m+2m+8-4m)/[4m(m+4)]=((m²+2m+8)/[4m(m+4)]