2x-3xy+y 怎么化简
问题描述:
2x-3xy+y 怎么化简
答
声明个人原创,原等式=X2-2XY+Y2+X2-XY=(X-Y)2+X(X-Y)=(X-Y)(X-Y+X)=(X-Y)(2X-y)
2x-3xy+y 怎么化简
声明个人原创,原等式=X2-2XY+Y2+X2-XY=(X-Y)2+X(X-Y)=(X-Y)(X-Y+X)=(X-Y)(2X-y)