Question

(x + 1)(x - 1)
$(x + 1)(x + 1)$
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Answer 1

Diferencia de cuadrados

(x + 1)(x - 1) = x² - 1

Binomio al cuadrado

(x + 1)(x + 1) = (x + 1)² = x² + 2x + 1

Eternamente axllxa