Question

CРОЧНО!!! Упростить,если можно поподробнее)

Answer 1

$\frac{4x}{3(x+1)} - \frac{x-1}{x+1} = \frac{4x-3x+3}{3(x+1)}= \frac{x+3}{3(x+1)}$

Answer 2

$\frac{4x}{3(x + 1)} - \frac{x - 1}{x + 1} = \frac{4x - 3(x - 1)}{3(x + 1)} = \frac{4x - 3x + 3}{3x + 3} = \frac{x + 3}{3x + 3}$