ГДЗ Алгебра 8 клас Бевз (2025)

85. Спрости вираз.

a) (3x+2+3xy+2y)/(2y-2+3xy-3x) = ((3x+2)+ y(3x+2))/(2(y-1)+3x(y-1)) = ((3x+2)(1+ y))/((y-1)(2+3x)) = (y+1)/(y-1);
б) ((x+2)(x-1))/(x^2+3x+2) = ((x+2)(x-1))/((x+2)(x+1)) = (x-1)/(x+1);
в) (x^2-4x+3)/(x^2-2x-3) = ((x-3)(x-1))/((x-3)(x+1)) = (x-1)/(x+1).