Question

Найдите корень уравнения x= -9x+24x-4

Answer 1

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