x³-9x²+26x-24=（x-4)(x-3）（x-2)过程？x³-9x²+26x-24
=x³-8x²+16x-x²+10x-24
=x（x-4)²-(x²-10x+24)
=x（x-4)²-(x-4)(x-6)
=(x-4)[x(x-4）-x+6]
=(x-4)(x²-5x+6)
=（x-4)(x-3)(x-2)