若实数a、b满足(a²-b²)²-(a²-b²)-6=0,则a²-b²的值为

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若实数a、b满足(a²-b²)²-(a²-b²)-6=0,则a²-b²的值为

若实数a、b满足(a²-b²)²-(a²-b²)-6=0,则a²-b²的值为
(a²-b²-3)(a²-b²+2)=0;
a²-b²=3或a²-b²=-2;
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