3(x^2-x)^2-2(x^2-x)-8因式分解

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3(x^2-x)^2-2(x^2-x)-8因式分解
3(x^2-x)^2-2(x^2-x)-8因式分解

3(x^2-x)^2-2(x^2-x)-8因式分解
原式=【3(x²-x)+4】【(x²-x)-2】
=(3x²-3x+4)(x²-x-2)
=(3x²-3x+4)(x-2)(x+1)
=(3x²-3x+4)(x-2)(x+1)

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