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A141407
@A141407
December 2019
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X2+3x-7=0
Resolva usando bhascara
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Delta=3^2-4.1.(-7)
Delta=9+28
Delta=37
x=-3-√27/2
x=-3+√27/2
2 votes
Thanks 1
ivanildoleiteba
Olá, boa noite ☺
Resolução:
x² + 3x - 7 =0.
Coeficientes:
a=1.
b=3.
c=-7.
Valor do discriminante:
Δ=b²-4.a.c
Δ=3² - 4.1.(-7)
Δ= 9 + 28
Δ = 37.
Valores de x:
Bons estudos :)
2 votes
Thanks 1
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Lista de comentários
Delta=9+28
Delta=37
x=-3-√27/2
x=-3+√27/2
Resolução:
x² + 3x - 7 =0.
Coeficientes:
a=1.
b=3.
c=-7.
Valor do discriminante:
Δ=b²-4.a.c
Δ=3² - 4.1.(-7)
Δ= 9 + 28
Δ = 37.
Valores de x:
Bons estudos :)