若3a²-a-2=0 ,则5+2a-6a²=

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若3a²-a-2=0,则5+2a-6a²=若3a²-a-2=0,则5+2a-6a²=若3a²-a-2=0,则5+2a-6a²=1

若3a²-a-2=0 ,则5+2a-6a²=
若3a²-a-2=0 ,则5+2a-6a²=

若3a²-a-2=0 ,则5+2a-6a²=
1