用因式分解法解下列方程:(1)3x²+12=12x (2)(1-x)²=(2x+3)²
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![用因式分解法解下列方程:(1)3x²+12=12x (2)(1-x)²=(2x+3)²](/uploads/image/z/37505-65-5.jpg?t=%E7%94%A8%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%E6%B3%95%E8%A7%A3%E4%B8%8B%E5%88%97%E6%96%B9%E7%A8%8B%3A%EF%BC%881%EF%BC%893x%26%23178%3B%2B12%EF%BC%9D12x+%EF%BC%882%EF%BC%89%EF%BC%881-x%EF%BC%89%26%23178%3B%3D%EF%BC%882x%2B3%EF%BC%89%26%23178%3B)
用因式分解法解下列方程:(1)3x²+12=12x (2)(1-x)²=(2x+3)²
用因式分解法解下列方程:(1)3x²+12=12x (2)(1-x)²=(2x+3)²
用因式分解法解下列方程:(1)3x²+12=12x (2)(1-x)²=(2x+3)²
(1)3x²+12=12x
x²+4=4x
x²-4x+4=0
(x-2)²=0
x=2
(2)(1-x)²=(2x+3)²
(2x+3)²-(x-1)²=0
(2x+3+x-1)(2x+3-x+1)=0
(3x+2)(x+4)=0
x=-2/3 x2=-4