Respuesta :

Hello There!

(x + 11)(x - 11)

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- Hannah ❤
[tex]\bf \textit{difference of squares} \\ \quad \\ (a-b)(a+b) = a^2-b^2\qquad \qquad a^2-b^2 = (a-b)(a+b)\\\\ -------------------------------\\\\ %a^2-121 a^2-121\qquad \qquad \boxed{121=11^2}\qquad a^2-11^2\implies (a-11)(a+11)[/tex]