polvo
polvo
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x(x+3)-40 = 0 x²+ 3x-40=0 agora, bhaskara delta = b²- 4ac => 3²- 4 . 1. (-40) 9+160 = 169 raiz de delta = 13 x ' = -3+ 13 /2 => 5 x'' = -3 - 13/2 => -8
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x(x+3)-40 = 0 x²+ 3x-40=0 agora, bhaskara delta = b²- 4ac => 3²- 4 . 1. (-40) 9+160 = 169 raiz de delta = 13 x ' = -3+ 13 /2 => 5 x'' = -3 - 13/2 => -8
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x(x+3)-40 = 0 x²+ 3x-40=0 agora, bhaskara delta = b²- 4ac => 3²- 4 . 1. (-40) 9+160 = 169 raiz de delta = 13 x ' = -3+ 13 /2 => 5 x'' = -3 - 13/2 => -8
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x(x+3)-40 = 0 x²+ 3x-40=0 agora, bhaskara delta = b²- 4ac => 3²- 4 . 1. (-40) 9+160 = 169 raiz de delta = 13 x ' = -3+ 13 /2 => 5 x'' = -3 - 13/2 => -8
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x(x+3)-40 = 0 x²+ 3x-40=0 agora, bhaskara delta = b²- 4ac => 3²- 4 . 1. (-40) 9+160 = 169 raiz de delta = 13 x ' = -3+ 13 /2 => 5 x'' = -3 - 13/2 => -8
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x(x+3)-40 = 0 x²+ 3x-40=0 agora, bhaskara delta = b²- 4ac => 3²- 4 . 1. (-40) 9+160 = 169 raiz de delta = 13 x ' = -3+ 13 /2 => 5 x'' = -3 - 13/2 => -8