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Como resolver questao de bhaskara:5x² -4x +2m ?questao do 9 ano?
5x² -4x +2m
tentei aplicar na bhaskara só que não deu:
d=-4² -4.5.2
d=16 -40
d=impossível,pois ficara negativo.. ;(
o que eu errei?!
por favor,no comeco entendia bhaskara,mas realmente nao estou entendendo como se fazer esse tipo de questao
desculpa fazer isso mais………………………………………pppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp
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