x(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)化简之后等于多少

问题描述:

x(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)化简之后等于多少

x^9 - 36*x^8 + 546*x^7 - 4536*x^6 + 22449*x^5 - 67284*x^4 + 118124*x^3 - 109584*x^2 + 40320*x