(X+2)³-(X+2)X×(X+2)=72
1个回答
(X+2)³-(X+2)X×(X+2)=72
(X+2)²(X+2-X)=72
2(X+2)²=72
(X+2)²=36
X+2=±6
X=4或X=-8
相关问题
X×2X=72怎么解 X×2X=多少
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