Respuesta :

Jennifer810

Step-by-step explanation:

[tex](x - 2)(x + 2) \\ x(x + 2) - 2(x + 2) \\ x { }^{2} + 2x - 2(x + 2) \\ x {}^{2} + 2 x - 2x - 4 \\ x {}^{2} - 4[/tex]

tinsa27
(X-2)(x+2) = x.x+2x-2x-4
= x.x - 4
=x^2 - 4

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