Разложите на множители: (3a+10)(6c-5a)-(8a-9)(5a-6c).

\[(3a + 10)(6c - 5a) - (8a - 9)(5a - 6c) =\]

\[= (3a + 10)(6c - 5a) + (8a - 9)(6c - 5a) =\]

\[= (6c - 5a)(3a + 10 + 8a - 9) =\]

\[= (6c - 5a)(11a + 1).\]