(x^2-1)^2(3x-2)+(2-3x)
=(x^2-1)^2(3x-2)-(3x-2)
=（(x^2-1)^2-1)(3x-2)
=(x^2-1-1)(x^2-1+1)(3x-2)
=(x^2-2)x^2(3x-2)
=(x+根号2)(x-根号2)x^2(3x-2)