Question

$(5 + a) {}^{2} =$
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Answer 1

Respuesta:

Aplicando el binomio de Newton, caso particular n=2

$\\ {(5 + a)}^{2} = {(5)}^{2} + 2(5)(a) + {(a)}^{2} \\ \\ {(5 + a)}^{2} = 25 + 10a + {a}^{2} \\ \\ {(5 + a)}^{2} = {a}^{2} + 10a + 25$