c2arriiiBoo c2arriiiBoo

29-04-2016
Mathematics

contestada

10. X + 12/x + 2 = x/x + 8
A) X = -4
B) X = 8
C) X = 6
D) X = -6

Respuesta :

nathan127 nathan127

29-04-2016

x + 12/x + 2 = x/x + 8 <- multiply each side by x
x^2 + 12 + 2x = x + 8 <- rearrange
x^2 + x +4 = 0

Your formula is incorrect as,

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