September 2023 0 19 Report
2. Qual das equações do 2º grau a seguir tem raizes x=-2 e x = 6
a) -X2 + 5x +8 = 0
b) x2 - 4x - 12 = 0
c) x2 - 4x = 0
d) x2 - 5x + 10 = 0​
Obs: preciso do cálculo de todas!!!!!
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