作业帮2x²-xy+3x-y+1因式分解
来源：学生作业帮助网 编辑：作业帮 时间：2024/04/20 09:23:11
2x²-xy+3x-y+1因式分解
2x²-xy+3x-y+1因式分解
2x²-xy+3x-y+1因式分解
2x²-xy+3x-y+1
=2x^2+3x+1-y(x+1)
=(2x+1)(x+1)-y(x+1)
=(x+1)(2x-y+1)
2x²-xy+3x-y+1
＝(2x²+2x)-(xy+y)+(x+1)
＝2x(x+1)-y(x+1)+(x+1)
＝(x+1)(2x-y+1)