4(x+2)²-4/9(x-1)²=0用因式分解法解方程
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![4(x+2)²-4/9(x-1)²=0用因式分解法解方程](/uploads/image/z/469713-57-3.jpg?t=4%EF%BC%88x%2B2%EF%BC%89%26%23178%3B-4%2F9%EF%BC%88x-1%EF%BC%89%26%23178%3B%3D0%E7%94%A8%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%E6%B3%95%E8%A7%A3%E6%96%B9%E7%A8%8B)
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