The product of two positive numbers is 140. determine the numbers if the larger is 5.6 time the smaller

What is the solution to the division problem below x3+x2-11x+4/x+4

I’m really confused and need to learn this

Robin spent 25% more time on his research project than he had planned he’s been an extra h ours on the project which of the following expressions could represent the number of hours rob actually spent on the project