Question

determine x sabendo que :

x = - ( -2 )² - ³√-27
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2(elevado a 0 ) -2
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Answer 1

Resposta:

$x={-(-2)^2-\sqrt[3]{-27} \over2^0-2}\\ \\ x={-(+4)-\sqrt[3]{-3^3} \over1-2}\\ \\ x={-4-(-3)\over-1}\\ \\ x={-4+3\over-1}\\ \\ x={-1\over-1}\\ \\ x=+1$