Respuesta:
(\frac{a^2 + 2a - 3}{a + 3})(\frac{a^2 - 2a - 3}{a + 1})(\frac{x^2 - 20 + x}{x - 5})(\frac{m^2 - 11m + 30}{m - 6})(\frac{x^2 + 15 - 8x}{3 - x})(\frac{a^2 + a + 5a}{a + 2})(\frac{6x^2 - xy - 2y^2}{y + 2x})(\frac{15x^2 - 8y^2 + 22xy}{2y - 3x})(\frac{5a^2 + 8ab - 21b^2}{a + 3b})(\frac{14x^2 - 12 + 22x}{7x - 3})(\frac{-8a^2 + 12ab - 4b^2}{a - b})(\frac{5n^2 - 11mn + 6m^2}{m - n})(\frac{32n^2 - 54m^2 + 12mn}{8n - 9m})(\frac{-14y^2 + 33x + 71y}{3 - 7y})(\frac{x^3 - 7x}{x - y})(\frac{a^3 + 3ab^2 - 3a^2b - b^3}{a - b})(\frac{-4x^4 - 9x^3 + 3x}{x + 3})(\frac{a^2 + 4 - 8a}{x + 3})(\frac{m^6 - n^6}{m^2 - n^2})(\frac{7x^2 + 6x + 3}{2x + 3})(\frac{3y^5 + 5y^4 - 12y + 10}{y^2 + 2})(\frac{am^4 - 4m - 2a}{am + a})(\frac{12a^3 + 33ab^2 - 35a^2b - 10b^3}{4a - 5b})(\frac{15m^5 - 9m^3n^2 - 5m^4n + 3m^2n^3 + 3mn^4 - n^5}{3m - n})
