Question

$( {x}^{6} + 7) ^{2}$
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Answer 1

Explicação passo-a-passo:

$\sf (x^6+7)^2=(x^6)^2+2\cdot x^6\cdot7+7^2$

$\sf (x^6+7)^2=x^{12}+14x^6+49$