5/(x-1) – 3/(x+1) = 4(x2 – 1)
решите

5/(x-1) - 3/(x+1) = 4(x2 - 1) ОДЗ: x≠0(x2 - 1) = (x-1)(x+1) ⇒ 5/(x-1) - 3/(x+1) = 4(x-1)(x+1) | (x+1)(x-1) - общий знаменатель ⇒ 5(x+1) - 3(x-1) = 45x+1-3x+3=45x+1-3x+3-4=02x=0x=0Ф