у≠0; у≠-2
[tex] \frac{8y - 5}{y} - \frac{9y}{y + 2} = 0 \\ \frac{8y - 5}{y} = \frac{9y}{y + 2} \\ (8y - 5)(y + 2) = 9y \times y \\ 8 {y}^{2} + 11y - 10 = 9 {y}^{2} \\ {y}^{2} - 11y + 10 = 0 \\ y1 = 1 \\ y2 = 10[/tex]
1) два корня
2) 1*10=10
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у≠0; у≠-2
[tex] \frac{8y - 5}{y} - \frac{9y}{y + 2} = 0 \\ \frac{8y - 5}{y} = \frac{9y}{y + 2} \\ (8y - 5)(y + 2) = 9y \times y \\ 8 {y}^{2} + 11y - 10 = 9 {y}^{2} \\ {y}^{2} - 11y + 10 = 0 \\ y1 = 1 \\ y2 = 10[/tex]
1) два корня
2) 1*10=10