Question

Simplify x-y2-1, y2-1-x2, 1-x²-y2​

Answer 1

Answer:

x-2y-1+2y-1-2x+1-x²-2y

x -x² -2y +2y -2y -2x -1 +1 -1

x -x² -2y -2x -1

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