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Fathai1524
@Fathai1524
December 2019
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Me ajudem a resolver a resolução de equações do 2° Grau Completas
13-2×-15×**=0
Ps:os **É ao quadrado
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vicssx
∆=(-2)^2-4.(-15).13
∆= 4+780
∆=784
x'=-(-2)+28/2.-15 x= 2+28/-30 x= -1
x"=2-28/2.-15 x= -26/-30 x= +0.86
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∆= 4+780
∆=784
x'=-(-2)+28/2.-15 x= 2+28/-30 x= -1
x"=2-28/2.-15 x= -26/-30 x= +0.86