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x4+4x3+3x2-2(x+3)因式分解
人气:292 ℃ 时间:2020-06-13 07:37:04
解答
x4+4x3+3x2-2(x+3)
=> x²(x²+4x+3)-2(x+3)
=> x²(x+3)(x+1)-2(x+3)
=>(x+3)(x²(x+1)-2)
=>(x+3)(x³+x²-2)
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