Mathematics, 24.06.2020 02:01 daebreonnakelly

Estou com dificuldade em resolver essa equação do 2° grau por favor façam passo a passso. Eu sei que o resultado e -3, 4. -x²+x+12=0

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Estou com dificuldade em resolver essa equação do 2° grau por favor façam passo a passso. Eu sei que...

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