Question

Решите неравенство x²-9/x-5<0

Answer 1

$\frac{(x - 3)(x + 3)}{x - 5} < 0 \\ x = 3 \\ x = - 3 \\ x = 5$
__-_-3__+_3_-__5__+__

(-&;-3)(3;5)