Помогите
[tex] \frac{x + 5}{x ^{2} - 5x } - \frac{x + 25}{2x ^{2} - 50 } = \frac{x - 5}{2x ^{2} + 10x } \\ \frac{5}{y - a} - \frac{4}{y - 3} = \frac{1}{y} \\ \frac{x ^{2} - 1}{x ^{2} + 7x - 8} \\ \frac{x - 2 }{x - 6} = \frac{x}{x - 5} [/tex]