Question

x² - 7x = 0 (R: 0 e 7)

Answer 1

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Answer 2

Resposta:

V = {0, 7}

Explicação passo-a-passo:

x² - 7x = 0

x (x - 7) = 0

x = 0

x - 7 = 0

x = 0 + 7

x = 7