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luisafilie16
@luisafilie16
July 2022
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como resolve essa conta 2x²+x=1 ?
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JulieGood
2x²+x-1=0
x= -1+- raiz de 1+8 divido por 4
-1 mais ou menos 3 sobre 4
x´= -1+3/4 = -1/2
x´´= -1-3/4= -1
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x= -1+- raiz de 1+8 divido por 4
-1 mais ou menos 3 sobre 4
x´= -1+3/4 = -1/2
x´´= -1-3/4= -1