Respuesta :

[tex] (a + b)^{2} = a^{2} + 2ab + b^{2} [/tex]

[tex] = n^{2} + 2(n)(10) + 10^{2} [/tex]

n here represent the a in the formula, 2(a)(b) = 2(n)(10), and 10^2 = 100

[tex] (n + 10)^{2} [/tex]


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