(4x立方+9x平方-10x-3)/(x+3)
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(4x立方+9x平方-10x-3)/(x+3)
(4x立方+9x平方-10x-3)/(x+3)
(4x立方+9x平方-10x-3)/(x+3)
(4x立方+9x平方-10x-3)/(x+3)=4x^2-3x-1=(x-1)(4x+1)
(4x立方+9x平方-10x-3)/(x+3)
(4x立方+9x平方-10x-3)/(x+3)
(4x立方+9x平方-10x-3)/(x+3)
(4x立方+9x平方-10x-3)/(x+3)=4x^2-3x-1=(x-1)(4x+1)