(ax+2a^2-2a^2+1)/(x+2a)怎么化简成a+(1-2a^2)/(x+2a).
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(ax+2a^2-2a^2+1)/(x+2a)怎么化简成a+(1-2a^2)/(x+2a).
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(ax+2a^2-2a^2+1)/(x+2a)
=[a(x+2a)+1-2a²)]/(x+2a)
=a(x+2a)/(x+2a) +(1-2a²)/(x+2a)
=2 + (1-2a²)/(x+2a)
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=[a(x+2a)+1-2a²)]/(x+2a)
=a(x+2a)/(x+2a) +(1-2a²)/(x+2a)
=2 + (1-2a²)/(x+2a)
如还不明白,请继续追问.
手机提问的朋友在客户端右上角评价点【满意】即可.