Respuesta:
a - 1
Explicación paso a paso:
(a² + 2a - 3) / (a + 3) = (a+ 3)(a - 1) / (a + 3) = a - 1
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Respuesta:
a - 1
Explicación paso a paso:
(a² + 2a - 3) / (a + 3) = (a+ 3)(a - 1) / (a + 3) = a - 1