October 2020 0 93 Report
Qual das equações do 2º grau abaixo possui raízes cujos valores são -2 e 7 ? a) x² + 5x + 14 = 0
b) - x² - 5x - 14 = 0
c) x² - 5x = 0
d) x² - 5x - 14 = 0
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