Ineed to get get this right to pass the 6th grade plz

Does anyone know how to do geometryme with this problem

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

Jessica is organizing a guided tour of the rain forest. the average profit per person that the touring company makes is given by the rational expression 18x+35/x, where x is the number of people going on the tour. what does the numerator of this rational expression represents?