Question

初三数学解方程

1:(x-2)(x-3)=x-2
2:x²-6x+3=0

Answer 1

1.   (x-2)(x-3)-(x-2)=0

   (x-2)(x-3-1)=0

   (x-2)(x-4)=0

   x1=2, x2=4

2. x^2-6x+9=6

   (x-3)^2=6

   x-3=±√6

   x1=3+√6, x2=3-√6

追问

哪个是1？哪个是2