Ответ:

Пошаговое объяснение:

3*(x+3)/(x²+2x-3) - 2*(x - 1)/(x²+2x-3) = 1/2

(3x + 9)/(x²+2x-3) - (2x - 2)/(x²+2x-3) = 1/2

(x + 11)/(x²+2x-3) = 1/2

x²+2x-3 = 2x + 22

x²+2x-3 - 2x - 22 = 0

x²-25 = 0

x² = 25

x₁ = -5

x₂ = 5