How do I factor the following...

(5x+2)(x+1)=1

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

Atotal of 766 tickets were sold for the school play. they were either adult tickets or student tickets. there were 66 more student tickets sold than adult tickets. how many adult tickets were sold?