(2X²-XY)-(X²-Y)怎么化简?

来源：学生作业帮助网编辑：六六作业网时间：2024/12/27 10:46:22

(2X²-XY)-(X²-Y)怎么化简?(2X²-XY)-(X²-Y)怎么化简?(2X²-XY)-(X²-Y)怎么化简?(2X²-

(2X²-XY)-(X²-Y)怎么化简?
(2X²-XY)-(X²-Y)怎么化简?

(2X²-XY)-(X²-Y)怎么化简?
(2X²-XY)-(X²-Y)
=2X²-XY-X²+Y
=2X²-X²-XY+Y
=X²-XY+Y
去括号,合并同类项即可
如有疑问请继续追问,祝你学习进步!

X^2-XY+Y

(2X²-XY)-(X²-Y)
=2X²-XY-X²+Y
=2X²-XY+Y