Explicación paso a paso:
A = (x+1)(x-1)(x+1)+1
A = (x²-1)(x+1)+1
A = x³+x²-x-1+1
A = x³+x²-x
Respuesta = x³+x²-x
espero t sirva :)
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Explicación paso a paso:
A = (x+1)(x-1)(x+1)+1
A = (x²-1)(x+1)+1
A = x³+x²-x-1+1
A = x³+x²-x
Respuesta = x³+x²-x
espero t sirva :)