问题描述: 分解因式(x+y+z)³+(3x-2y-3z)³-(4x-y-2x)³两解,最好两解, 1个回答 分类:数学 2014-11-07 问题解答: 我来补答 (x+y+z)³+(3x-2y-3z)³-(4x-y-2z)³=(x+y+z)³+[(3x-2y-3z)-(4x-y-2z)][(3x-2y-3z)²+(3x-2y-3z)(4x-y-2z)+(4x-y-2z)²]=(x+y+z)³-(x+y+z)[(3x-2y-3z)²+(3x-2y-3z)(4x-y-2z)+(4x-y-2z)²]=(x+y+z)[(x+y+z)²-(3x-2y-3z)²-(3x-2y-3z)(4x-y-2z)-(4x-y-2z)²] 再问: 好像还能在分解。。。 展开全文阅读