3(x-5)²=2(5-x)步骤

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3(x-5)²=2(5-x)步骤
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3(x-5)²=2(5-x)步骤
3(x-5)²=2(5-x)步骤

3(x-5)²=2(5-x)步骤
3(x-5)²-2(5-x)=0
(X-5)(3X-15+2)=0
(X-5)(3X-13)=0
X1=5,X2=13/3