Resposta :
x² + 6x - 16 = 0
Δ = -b² - 4 a c
Δ = - ( 6 )² - 4 * 1 * ( - 16 )
Δ = 36 + 64
Δ = 100
X = -b ± √Δ
X = - ( 6 ) ± 10
x' = 6 + 10 = 16/2 = 8
x'' = 6 - 10 = 4/2 = 2
S = { 8, 2 }
Δ = -b² - 4 a c
Δ = - ( 6 )² - 4 * 1 * ( - 16 )
Δ = 36 + 64
Δ = 100
X = -b ± √Δ
X = - ( 6 ) ± 10
x' = 6 + 10 = 16/2 = 8
x'' = 6 - 10 = 4/2 = 2
S = { 8, 2 }
[tex] x^{2} +6-16=0=
\Delta= b^{2} -4.a.c=
\Delta= 6^{2} -4.1.(-16)=
\Delta=36+64=100
x^{1} =-+6 \sqrt{100} /2=-6-10/2=16/2=-8
x^{2} =-+6 \sqrt{100} /2=-6+10/2=4/2=2[/tex]
S{-8,2}
\Delta= b^{2} -4.a.c=
\Delta= 6^{2} -4.1.(-16)=
\Delta=36+64=100
x^{1} =-+6 \sqrt{100} /2=-6-10/2=16/2=-8
x^{2} =-+6 \sqrt{100} /2=-6+10/2=4/2=2[/tex]
S{-8,2}