求解-2x²-6=-7x-2x²-6=-7x

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求解-2x²-6=-7x-2x²-6=-7x
求解-2x²-6=-7x
-2x²-6=-7x

求解-2x²-6=-7x-2x²-6=-7x
-2x²-6=-7x
2x²-7x+6=0
(2x-3)(x-2)=0
x=3/2或x=2