用因式分解法解方程:2(y-1)²+y=1
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/23 21:29:13
x){>ebgi;~gFvMR>ZlȲ mk 5*u1"@iF`DPPF 1d0p]Pt d9 E0=t6v
用因式分解法解方程:2(y-1)²+y=1
用因式分解法解方程:2(y-1)²+y=1
用因式分解法解方程:2(y-1)²+y=1
2(y-1)²+y=1
2(y-1)²+(y-1)=0
(y-1)(2y-2+1)=0
(y-1)(2y-1)=0
y-1=0或2y-1=0
y1=1 y2=1/2
2(y-1)²+y-1=0
2(y-1)²+(y-1)=0
(y-1)(2y-2+1)=0
(y-1)(2y-1)=0
y=1,y=1/2
(y-1)(2(y-1)+1)=0
(y-1)(2y-1)=0
y=1或y=1/2