Factor each polynomial
1.) x^2-2x-15
2.) x^2-6x+8
Please help me on these two answers

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.