РОЗДІЛ 2. Раціональні вирази - Вправи 50 - 200 » 150 (6-10)

6) 〖3c〗^(\3)/(2(c-1)) + 〖2c〗^(\2)/(3(c-1)) = (9c+4c)/(9(c-1)) = 13c/(6(c-1)); 7) 1^(\2)/6x – 5/12x = (2-5)/12x = –3/12x = –1/4x; 8) 13^(\3)/15c – 5^(\5)/9c = (39-25)/45c = 14/45c; 9) 〖2a〗^(\5)/(x+2) – 4a/(5(x+2)) = (10a-4a)/(5(x+2)) = 6a/(5(x+2)); 10) c/(3(y-1)) – 〖6c〗^(\3)/(y-1) = (c-18c)/(3(y-1)) = (-17c)/(3(y-1)).