方程x(x-1)=x的解是______;方程(x+3) 2 =4的解是______

方程x(x-1)=x的解是______;方程(x+3) 2 =4的解是______.
2024-12-18 19:25:33
推荐回答(1个)
回答1:

(1)原方程可化为:x(x-1)-x=0,
x(x-1-1)=0,
解得:x 1 =0,x 2 =2;

(2)(x+3) 2 =4,
x+3=±2,
解得:x 1 =-1,x 2 =-5.