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LuccasEstudos2017
@LuccasEstudos2017
January 2020
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71^2x³+4x²=1
Resposta={-2,0}
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Nooel
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71^2x³+4x²=1 endo que 71⁰= 1 temos
71^2x³+4x²=71⁰
2x³+4x²=0
2x³+4x²=0
x²(2x+4)=0 DUAS RAIZES IGUAIS 0,0 E A OUTRA RAIZ
2X=-4
X=-4/2
X=-2
Resposta x= -2 ou 0
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71^2x³+4x²=1 endo que 71⁰= 1 temos71^2x³+4x²=71⁰
2x³+4x²=0
2x³+4x²=0
x²(2x+4)=0 DUAS RAIZES IGUAIS 0,0 E A OUTRA RAIZ
2X=-4
X=-4/2
X=-2
Resposta x= -2 ou 0