a^4-10a^3+22a^2+12a如何化簡(jiǎn)
a^4-10a^3+22a^2+12a如何化簡(jiǎn)
數(shù)學(xué)人氣：531 ℃時(shí)間：2020-10-01 21:58:55
優(yōu)質(zhì)解答
a^4 - 10 a^3 + 22 a^2 + 12 a= a ( a^4 - 10 a^3 + 22 a^2 + 12 a )= a ( a - 6 ) ( a^2 - 4 a - 2 )= a ( a - 6 ) [ ( a - 2 )^2 - 6 ]= a ( a - 6 ) ( a - 2 - √6 ) ( a - 2 + √6 )
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