题目要使(−x)(x2−mx+2x)\left(-x\right)(x^{2}-mx+2x)(−x)(x2−mx+2x)的展开式中不含x2x^{2}x2的项,则mmm的值是（ ）A.−2-2−2B.000C.222D.333知识点：整式的混合运算章节：未标注
