There are 12 inches in a foot so if there is 60 inches and you want to find how many feet it make then divide the amount of inches by 12
The greatest common factor between 72 and 54 is 18.
30 divided by 5 is 6, so the other term is (x+6). (x+5)(x+6) becomes x^2+11x+30, so k is equal to 11.
