Ответ:
1. ОДЗ — x ≠ 4
[tex] \frac{2x + 10}{x - 4} = 0 \\ 2x + 10 = 0 \\ 2x = - 10 \\ x = - 5[/tex]
2. ОДЗ — x ≠ 1
[tex] \frac{ {5x}^{2} + 15 }{x - 1} = 5x \\ {5x {}^{2} + 15 = 5x} \times (x - 1) \\ {5x }^{2} + 15 = {5x}^{2} - 5x \\ 15 = - 5x \\ x = - 3[/tex]
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Answers & Comments
Ответ:
1. ОДЗ — x ≠ 4
[tex] \frac{2x + 10}{x - 4} = 0 \\ 2x + 10 = 0 \\ 2x = - 10 \\ x = - 5[/tex]
2. ОДЗ — x ≠ 1
[tex] \frac{ {5x}^{2} + 15 }{x - 1} = 5x \\ {5x {}^{2} + 15 = 5x} \times (x - 1) \\ {5x }^{2} + 15 = {5x}^{2} - 5x \\ 15 = - 5x \\ x = - 3[/tex]