Respuesta :

The polynomial can be factored as

[tex]x^2-4=(x+2)(x-2)[/tex]

In fact, any polynomial of the form x^2-b^2 can be factored as

[tex]x^2-b^2=(x+b)(x-b)[/tex]

Back to our polynomial, we see that its zeros are

[tex]x=2[/tex]

and

[tex]x=-2[/tex]

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