Explicación paso a paso:
[3] + 2a²b +4ab² +8b³
[3] + 2b {a² + 2ab + 4b²} ...... (Rpta 1)
[3] + 2b{a² + 2ab + b² + 3b²}
[3] + 2b {(a + b)² + 3b²} .......(Rpta 2)
La Rpta 2 es alternativa
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Explicación paso a paso:
[3] + 2a²b +4ab² +8b³
[3] + 2b {a² + 2ab + 4b²} ...... (Rpta 1)
[3] + 2b{a² + 2ab + b² + 3b²}
[3] + 2b {(a + b)² + 3b²} .......(Rpta 2)
La Rpta 2 es alternativa