用配方法解方程(1-y)(3y-2)=y(y-3)

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用配方法解方程(1-y)(3y-2)=y(y-3)用配方法解方程(1-y)(3y-2)=y(y-3)用配方法解方程(1-y)(3y-2)=y(y-3)(1-y)(3y-2)=y(y-3)3y-2-3y

用配方法解方程(1-y)(3y-2)=y(y-3)
用配方法解方程(1-y)(3y-2)=y(y-3)

用配方法解方程(1-y)(3y-2)=y(y-3)
(1-y)(3y-2)=y(y-3)
3y-2-3y²+2y=y²-3y
-4y²+8y=2
y²-2y=-1/2
y²-2y+1=1/2
(y-1)²=1/2
y-1=±√2/2
y1=1+√2/2, y2=1-√2/2