Negotiate hard and restore broadcast without advertisement (5-5)

'negotiate' is the definition.
(horse-trading is a kind of negotiating)

'hard and restore broadcast without advertisement' is the wordplay.
'hard' becomes 'h' (abbreviation used in pencil classifications).
'and' is a charade indicator (letters next to each other).
'broadcast' is an anagram indicator (letters scattered or cast around).
'without' indicates putting letters inside ('without' can be similar in meaning to 'outside').
'advertisement' becomes 'ad' (short for advert).
'h'+'restore'='hrestore'
'hrestore' is an anagram of 'horsetre'.
'horsetre' placed around 'ad' is 'HORSE-TRADE'.