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Nina333
@Nina333
October 2019
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3 x ao quadrado mais 7x igual a zero
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bahsiilva
3ײ-7×+4=0
formula de Bhaskara
Δ=(b)²-4 (a)(c)
Δ=(-7)² -4(3)(4)
Δ=49-48
Δ=1
×=-b±√Δ/2.a
×=-(7)±√1/2
×'=7+1/2
×'=4
×''=7-1/2
×''=3
espero ter ajudado
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Lista de comentários
formula de Bhaskara
Δ=(b)²-4 (a)(c)
Δ=(-7)² -4(3)(4)
Δ=49-48
Δ=1
×=-b±√Δ/2.a
×=-(7)±√1/2
×'=7+1/2
×'=4
×''=7-1/2
×''=3
espero ter ajudado