Question

Calcule e descubra o resultado: (3x + 8 )²

A 6x² + 24x + 16
B 9x² + 64
C 9x² + 48x + 64​

Answer 1

꧁Hello, how are you?꧂

$(3x + 8) {}^{2} \\ \\ (3x) {}^{2} + 2 \times 3x \times 8 + 8 {}^{2} \\ \\ 9x {}^{2} + 2 \times 3x \times 8 + 8 {}^{2} \\ \\ 9x {}^{2} + 48x + 8 {}^{2} \\ \\ 9x {}^{2} + 48x + 64$

Ou seja... alternativa (C)

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Signed: Lohany Queen of hell 彡★

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