若4x³+2x²-2x+k+1能被2x整除,则k=

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若4x³+2x²-2x+k+1能被2x整除,则k=
若4x³+2x²-2x+k+1能被2x整除,则k=

若4x³+2x²-2x+k+1能被2x整除,则k=
4x³+2x²-2x+k+1
=2x(2x²+x-1)+k+1
整除则k+1=0
k=-1

4x³+2x²-2x+k+1能被2x整除，
则k=-1

kj=-1