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@Juniorcesar
April 2020
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Resolva as equaçoes:
x² - 64 = 0
x² + 3x = 0
x²+2x+1 = 0
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mozarthrocha
X² - 64 = 0
x² = 64
x = +/-\/64
x = +/-8
x²+3x = 0
x.(x+3) = 0
x = 0
x+3 = 0
x = -3
x²+2x+1 = 0
delta = 4 - 4
delta = 0
x' = x" = -b/2a = -2/2 = -1
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Lista de comentários
x² = 64
x = +/-\/64
x = +/-8
x²+3x = 0
x.(x+3) = 0
x = 0
x+3 = 0
x = -3
x²+2x+1 = 0
delta = 4 - 4
delta = 0
x' = x" = -b/2a = -2/2 = -1