Check if 2z-3 is a factor of z^3 +4z^2 - 5z-10

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?

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