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Marinasz
@Marinasz
December 2019
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Qual a resposta dessa equação usando a formula de bhaskara: (x-3)(x+4)+8=x
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izildaaparecida
(X - 3 ) (X + 4 ) + 8 = X
X² + 4 X - 3 X - 12 + 8 = X
X² +X - X - 4 = 0
X² - 4 = 0
X² = 4
X = + OU - √4
X = + OU - 2
S = { + 2 ; - 2 }
1 votes
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X² + 4 X - 3 X - 12 + 8 = X
X² +X - X - 4 = 0
X² - 4 = 0
X² = 4
X = + OU - √4
X = + OU - 2
S = { + 2 ; - 2 }