Ayuda[tex] \ frac{10 {x} ^ {3} + x}{ {x} ^ {2} + x + 1} [ / tex]?

2. [tex] \ frac{c}{7}[ / tex] = [tex] \ frac{3}{4} \ \ [ / tex] [tex] \ frac{g + 3}{4}[ / tex] + [tex] \ frac{4g}{5}[ / tex] = 5 [tex] \ frac{e - 5}{9}[ / tex] = [tex] \ frac{e - 25}{5}[ / tex] ayuda ?

1) 2 (c / 7) = 3 / 42c = 3 × 7 / 4c = (21 / 4) / 2c = 21 / 82) (g + 3) / 4 + 4g / 5 = 55g + 15 + 16g = 10021g = 85g = 85 / 213) (e - 5) / 9 = (e - 25) / 55e - 25 = 9e - 225200 = 4e50 = e.