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............ ____
x^2 ....... x^2
___ + .._____ =
x^4 ............ 1
................. ___
.................... 4
1 ....... 4x - 4 .......... 4x + 3
___ + ____ = _____
x^2 ....... x^2 ............ x^2
(Ignora los puntos)