
Пошаговое объяснение:
2-6x/3+(x-1)/2x3x-3/6-1
2-6x/3+x-1/2x3x-3-1
2-6x/3x(X-1) x(3X-3)/4 - 1
2-6/3+(x-1)x3(x-1)/4-1
2-6x/3+(1-x)^2 x3/4-1
2-6x/3+3(x^2 - 2x+1)/4-1
2-6x/3+3x^2 - 6x+3/4-1
4(2-6x) +3(3x^2 - 6x+3) - 12/12
8-24+9x^2 - 18x+9-12/12
5X - 42x+9x^2/12
9x^2 - 42x+5/12