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Gustavo11111123456
@Gustavo11111123456
December 2019
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X2-4x-5=0
Me Ajudem Por Favor
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kiviagabriela5
X2-4x-5=0
vamos fazer assim :
a = 1 b=-4x c= -5
delta= b^2-4ac
delta= (-4)^2 -4×1×(-5)=
delta= 16+ 20=
delta = 36
√de delta= 6
x= -b+/- √de delta/2a
x= 4+/- 6/2×1=
x'= 4+6/2=
x'=10/2= 5
x''= 4-6/2=
x''=-2/2= -1
prontinho . bjs :*
1 votes
Thanks 3
Gustavo11111123456
obg
Gustavo11111123456
OBG
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Lista de comentários
vamos fazer assim :
a = 1 b=-4x c= -5
delta= b^2-4ac
delta= (-4)^2 -4×1×(-5)=
delta= 16+ 20=
delta = 36
√de delta= 6
x= -b+/- √de delta/2a
x= 4+/- 6/2×1=
x'= 4+6/2=
x'=10/2= 5
x''= 4-6/2=
x''=-2/2= -1
prontinho . bjs :*