2x^3-6x^2+3x+2=0怎么因式分解
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2x^3-6x^2+3x+2=0怎么因式分解
![2x^3-6x^2+3x+2=0怎么因式分解](/uploads/image/z/16802670-30-0.jpg?t=2x%5E3-6x%5E2%2B3x%2B2%3D0%E6%80%8E%E4%B9%88%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3)
2x^3-6x^2+3x+2=0
2x^2(x-2)-(2x^2-3x-2)=0
2x^2(x-2)-(2x+1)(x-2)=0
(x-2)(2x^2-2x-1)=0
(x-2)[x-(1+√3)/2][x-(1-√3)/2]
2x^2(x-2)-(2x^2-3x-2)=0
2x^2(x-2)-(2x+1)(x-2)=0
(x-2)(2x^2-2x-1)=0
(x-2)[x-(1+√3)/2][x-(1-√3)/2]