两边乘6
6x^2+x-2=0
(2x-1)(3x+2)=0
x=1/2,x=-2/3
等式左右同时乘以6,得到
6x^2+x-2=0
做因式分解,得到
2 -1
3 2
(2x-1)*(3x+2)=0
解得
x=1/2或x=-2/3
x的平方+1/6x-1/3 =0
6x^2+x-2=0
(2x-1)(3x+2)=0
x=1/2 或 x=-2/3
x的平方+1/6x-1/3 =0
6x^2+x-2=0
(3x+2)(2x-1)=0
x=-2/3,x=1/2
X1=1/2
X2=-(2/3)