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x squared+3x-2/x squared-4 +x squared-2x+4/x squared-4 =

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Kaiusviz
[(x^2 + 3x - 2) / (x^2 - 4)] + [(x^2 - 2x + 4) / (x^2 - 4)] *sing the denominators are the same, we add the numerators: (2x^2 + x + 2)/(x^2 - 4)
Riza1viz
[tex]\frac{x^2+3x-2}{x^2-4 } +\frac{x^2-2x+4}{x^2-4} = \frac{x^2+3x-2+x^2-2x+4 }{x^2-4 }=\frac{2x^2+ x+2 }{(x-2)(x+2)}[/tex]