x=y+ 1

y﹙y+ 1﹚= 1 10

y？ +y- 1 10=0

﹙y+ 1 1﹚﹙y- 10﹚=0

y 1=﹣ 1 1，y2= 10

When y1=-1,x 1 =- 10.

When y2 = 10, x2 = 1 1.

The solution of the original equation is: x1=-10x2 =11.

y 1=﹣ 1 1.y2= 10