Question

Найдите корень уравнения x= -9x+24\x-4

Answer 1

$x = \frac{ - 9x + 24}{x - 4} \\ x {}^{2} - 4x = - 9x + 24 \\ x {}^{2} + 5x - 24 = 0 \\ d = 25 + 96 = 11 {}^{2} \\ x = \frac{ - 5 + - 11}{2} \\ x = - 8 \\ x = 3$