Question

ALGEBRA 2 ME AJUDEM POR FAVOOOOR
A 4
B 0.76
C 3
D −1.27
E −2
F −1.73
G −4.73

Answer 1

Resposta:

x' = 18,72/2 = 9,36

x" = -2,72/2 = -1,36

Explicação passo-a-passo:

x/(x+8)  - 10(x^2 - 64) = 2/(x+8)

x^2 - 64 = (x+8)(x-8)

mmc : (x+8)(x-8)

x^2 - 8x - 10 = 2x - 16

x^2 -10x  +6 =0

x = (10 +_ [100 - 24]^2)/2

x= ( 10 +_ 8,72)/2

x' = 18,72/2 = 9,36

x" = -2,72/2 = -1,36