Разложите на множители: (5m-3)(n+1)-(2n+3)(3-5m).

\[(5m - 3)(n + 1) - (2n + 3)(3 - 5m) =\]

\[= (5m - 3)(n + 1) + (2n + 3)(5m - 3) =\]

\[= (5m - 3)(n + 1 + 2n + 3) =\]

\[= (5m - 3)(3n + 4).\]