(a2-3a+2)x2+(2a2-4a+1)xy+(a2-a)y2因式分解
(a2-3a+2)x2+(2a2-4a+1)xy+(a2-a)y2因式分解
如题
如题
数学人气：326 ℃时间：2020-03-21 00:59:21
优质解答
建议a2之类的 最好写成a² 或者写成x^2 ,以便于判别和解题(a²-3a+2)x²+(2a²-4a+1)xy+(a²-a)y²＝(a-1)(a-2)x²+(2a²-4a+1)xy+a(a-1)y²=[(a-1)x+ay]*[(a-2)x+(a-1)y]...
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