Question

porfa ayuda
$(x + 1)(x - 1) + ( \sqrt{x} + 1)(1- \sqrt{x} )(x + 1)$
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Answer 1

Respuesta:

0

Explicación paso a paso:

$(x + 1)(x - 1) + ( \sqrt{x} + 1)(1- \sqrt{x} )(x + 1)$

${x}^{2} - {1}^{2} + (1 + \sqrt{x})(1- \sqrt{x} )(x + 1)$

${x}^{2} - 1 + ( {1}^{2} - \sqrt{x}^{2} )(1 + x)$

${x}^{2} - 1 + (1 - x)(1 + x)$

${x}^{2} - 1 + ( {1}^{2} - {x}^{2} )$

${x}^{2} - 1 +1 - {x}^{2}$

$0$