What types of problems can be solved using the greatest common factor? what types of problems can be solved using the least common multiple?

Simply 8x squared + 5(7x squared- x) - 2x =

F(x)= 4x g(x) =x-1 what is f(x) divided by g(x)

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3