а)x(a+b)+6(a+b)=(a+b)*(x+6)
b)x^2(x-1)+1(x-1)=(x-1)*(x-1)*(x+1)=(x+1)*(x-1)^2
v)a(b-2)-2(b-2)=(b-2)*(a-2)
а)x(a+b)+6(a+b)=(a+b)*(x+6)
b)x^2(x-1)+1(x-1)=(x-1)*(x-1)*(x+1)=(x+1)*(x-1)^2
v)a(b-2)-2(b-2)=(b-2)*(a-2)