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数学
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因式分解2m(x²+1)²-2mx²
人气:235 ℃ 时间:2020-06-22 08:41:59
解答
解
2m(x²+1)²-2mx²
=2m[(x²+1)²-x²]
=2m(x²+1-x)(x²+1+x)
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