Question

$\sqrt{( - 3) \times ( - 2) - {( - 3)}^3{} }$
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Answer 1

O desenvolvimento  é feito a sequir.

Explicação:

$\sqrt{-3\times-2-(-3)^2}\\\\\sqrt{-3\times-2-9}\\\\\sqrt{6-9}\\\\\sqrt{-3}\\\\\sqrt{3 \times -1}\\\\\sqrt{3} \times \sqrt{-1}\\\\\sqrt{3} \times i\\\\i\sqrt{3}$