Respuesta:
x2 - x - 1
Explicación paso a paso:
x4 - x3 + x3 -x2 - x2 +x2 - x - x - 1/x2 + x + 1
(x2 - x -1 ) x ( x2 + x + 1)/x2 + x + 1
x2 - x -1
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Respuesta:
x2 - x - 1
Explicación paso a paso:
x4 - x3 + x3 -x2 - x2 +x2 - x - x - 1/x2 + x + 1
(x2 - x -1 ) x ( x2 + x + 1)/x2 + x + 1
x2 - x -1