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Rolsivaldo
@Rolsivaldo
August 2019
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Alguém sabe me responder : 10x ao quadrado +72-64 igual a 0
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opsviny
10x^2 + 72 - 64 = 0
Utilizando a fórmula quadrática:
10
x^2
+ 8 =
0
−b ±
√
b2
− 4
(ac) /
2
a
0 ±
√
02
− 4 ⋅
(10 ⋅ 8)
2 ⋅
10
x =
± 2
√5
5 sobre 5.
1 votes
Thanks 1
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Lista de comentários
Utilizando a fórmula quadrática:
10x^2 + 8 = 0
−b ± √b2 − 4(ac) /2a
0 ± √02 − 4 ⋅ (10 ⋅ 8) 2 ⋅ 10
x = ± 2√55 sobre 5.