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因式分解(x²+1)²-10(x²+1)+25
人气:142 ℃ 时间:2020-01-28 13:17:08
解答
(x²+1)²-10(x²+1)+25
=[(x²+1)-5]²
=(x²+1-5)²
=(x²-4)²
=(x+2)²(x-2)²
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