Simplify the rational expression x^2-2x-24/x^2-5x-36

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.