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数学
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[(x的2次方)+5x+2]*[(x的2次方)+5x+3]
因式分解阿!
人气:233 ℃ 时间:2020-04-11 10:43:14
解答
原式=(x²+5x)²+5(x²+5x)+6
=(x²+5x+6)(x²+5x+1)
=(x+6)(x+1)(x²+5x+1)
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