我现在有一个6X6X2的池子，要用来产生沼气的预处理，我现在加原料（牛粪）为35方，水为37方，用来搅拌。_百度知道X^3-6X6^2+9x
昕_love7国
x（x-3）的平方
X^3-6X^2+9x=x（X^2-6X+9）=x（x-3）^2
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其他类似问题
没看懂你的题目。
中间那个是6x6的平方么？ 还是6x的平方。
额，是6X的平方
x（x平方-6x+9）=x（x-3）（x-3）.
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