Tìm x, \(\frac{x^2 + 2x}{x - 2} : \frac{x^2 - 4}{x - x}\)

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c)
\(\frac{x^2 + 2x}{x - 2} : \frac{x^2 - 4}{x - x}\)

d)
\(\frac{2x + 3y}{2 - x} : \frac{4x^2 + 12xy + 9y^2}{x^3 - 8}\)