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2a⁴-a³-6a²-a+2
=(2a⁴-a³)-(6a²+a-2)
=a³(2a-1)-(2a-1)(3a+2)
=(2a-1)(a³-3a-2)
=(2a-1)(a³-8-3a+6)
=(2a-1)[(a³-8)-3(a-2)]
=(2a-1)[(a-2)(a²+2a+4)--3(a-2)]
=(2a-1)(a-2)(a²+2a+1)
=(2a-1)(a-2)(a+1)²
=(2a⁴-a³)-(6a²+a-2)
=a³(2a-1)-(2a-1)(3a+2)
=(2a-1)(a³-3a-2)
=(2a-1)(a³-8-3a+6)
=(2a-1)[(a³-8)-3(a-2)]
=(2a-1)[(a-2)(a²+2a+4)--3(a-2)]
=(2a-1)(a-2)(a²+2a+1)
=(2a-1)(a-2)(a+1)²
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展开全部
2a⁴-a³-6a²-a+2
=(2a⁴-a³)-(6a²+a-2)
=a³(2a-1)-(2a-1)(3a+2)
=(2a-1)(a³-3a-2)=(2a-1)[(a³-8)-3(a-2)]=(2a-1)[(a-2)(a²+2a+4)-3(a-2)]=(2a-1)(a-2)[(a²+2a+4)-3]=)]=(2a-1)(a-2)(a+1)²
=(2a⁴-a³)-(6a²+a-2)
=a³(2a-1)-(2a-1)(3a+2)
=(2a-1)(a³-3a-2)=(2a-1)[(a³-8)-3(a-2)]=(2a-1)[(a-2)(a²+2a+4)-3(a-2)]=(2a-1)(a-2)[(a²+2a+4)-3]=)]=(2a-1)(a-2)(a+1)²
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展开全部
2a⁴-a³-6a²-a+2
=(2a⁴-a³)-(6a²+a-2)
=a³(2a-1)-(2a-1)(3a+2)
=(2a-1)(a³+3a+2)
=(2a⁴-a³)-(6a²+a-2)
=a³(2a-1)-(2a-1)(3a+2)
=(2a-1)(a³+3a+2)
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