October 2020 0 105 Report
Considere o sistema de equação do 2º grau: { a-2b=4
{ 2(a-3)-3(b+1)=-2
Qual equação do 2º grau cujo as raizes são os valores de a e b da solução(a,b) do sistema dado?

A)x²-x+2=0
B) x²-x-2=0
C)x²-x-1=0
D)x²-2x+1=0
E) x²+x-2=0
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