4（x+2）²-4/9（x-1）²=0用因式分解法解方程

4（x+2）²-4/9（x-1）²=0用因式分解法解方程
4（x+2）²-4/9（x-1）²=0用因式分解法解方程

4（x+2）²-4/9（x-1）²=0用因式分解法解方程
4（x+2）²-4/9（x-1）²=0
[2(x+2)+2/3(x-1)][(2(x+2)-2/3(x-1)]=0
(6x+12+2x-2)(6x+12-2x+2)=0
(8x+10)(4x+14)=0
x=-5/4或x=-7/2

4(x+2)²-9(x-1)²=0
[2(x+2)+3(x-1)][2(x+2)-3(x-1)]=0
(5x+1)(-x+7)=0
x1=-0.2, x2=7