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tambien se puede expresar asi
(x^2 - 6)(x + 3) = 0
o tambien asi
x^2( x + 3) - 6 (x - 3) = 0
Salu2
x =
Se trata de una ecuación de tercer grado. Tiene 3 raices
Factorizando, tenemos
(x + 3)(x^2 - 6) = 0
Cada factor debe ser nulo
x + 3 = 0
x1 = - 3
x^2 - 6 = 0
x^2 = 6
x = √6
x2 = - √6
x3 = √3
S = {- 3, - √6, √6}