\(\frac{3x+5}{x^2-5x} + \frac{25-x}{25-5x}\)
thực hiện phép tính (quy đồng)
help !!! thanks
----- Nội dung ảnh -----
10) \(\frac{3x+5}{x^2-5x} + \frac{25-x}{25-5x}\)
11) \(\frac{3}{2x+6} - \frac{x-6}{2x^2+6x}\)
12) \(\frac{y}{2x^2-xy} + \frac{4x}{y^2-2xy}\)
13) \(\frac{1}{x-5x^2} - \frac{25x-15}{25x^2-1}\)
14) \(\frac{x+1}{2x-2} + \frac{x^2+3}{2-2x^2}\)
15) \(\frac{7}{x-x+6} + \frac{36}{x^2+6x}\)
16) \(\frac{3}{2} + \frac{3x-3}{2x-1} + \frac{2x^2+1}{4x^2-2x}\)
17) \(\frac{1}{x} + \frac{1}{x+5} - \frac{x-5}{x^2+5x}\)
18) \(\frac{x^2-5x+6}{2-x} - \frac{2-x}{x-3}\)
19) \(\frac{x-4}{x^2-2x} + \frac{1}{x-2} - \frac{1}{x}\)
20)
21) \(\frac{1-3x-2}{2x} + \frac{3x-2}{2x-1} + \frac{3x-2}{2x-4x^2}\)
help !!! thanks
----- Nội dung ảnh -----
10) \(\frac{3x+5}{x^2-5x} + \frac{25-x}{25-5x}\)
11) \(\frac{3}{2x+6} - \frac{x-6}{2x^2+6x}\)
12) \(\frac{y}{2x^2-xy} + \frac{4x}{y^2-2xy}\)
13) \(\frac{1}{x-5x^2} - \frac{25x-15}{25x^2-1}\)
14) \(\frac{x+1}{2x-2} + \frac{x^2+3}{2-2x^2}\)
15) \(\frac{7}{x-x+6} + \frac{36}{x^2+6x}\)
16) \(\frac{3}{2} + \frac{3x-3}{2x-1} + \frac{2x^2+1}{4x^2-2x}\)
17) \(\frac{1}{x} + \frac{1}{x+5} - \frac{x-5}{x^2+5x}\)
18) \(\frac{x^2-5x+6}{2-x} - \frac{2-x}{x-3}\)
19) \(\frac{x-4}{x^2-2x} + \frac{1}{x-2} - \frac{1}{x}\)
20)
21) \(\frac{1-3x-2}{2x} + \frac{3x-2}{2x-1} + \frac{3x-2}{2x-4x^2}\)