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Irysbm14
@Irysbm14
January 2020
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Equacao 2°grau:
3x²-81=0
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millytinwiker
9x= +81 +0
9x= +81
x= 81
---
9
x= 81 dividido por 9 é: 9
1 votes
Thanks 0
magalk
Olá,
3x^2-81=0
3x^2=81
x^2=81/3
x^2=27
x= Raiz de 27
x= aprox. 5,2.
Espero ter ajudado, bonss estudos!
1 votes
Thanks 4
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9x= +81
x= 81
---
9
x= 81 dividido por 9 é: 9
3x^2-81=0
3x^2=81
x^2=81/3
x^2=27
x= Raiz de 27
x= aprox. 5,2.
Espero ter ajudado, bonss estudos!