What is 5x(2-3x)-x(3x-1) in simplist form

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

Draw a tape diagram to represent each situation.for some of the situations,you need to decide what to represent with a variable andre bakes 9 pans of brownies.he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students

1: 4 if the wew 35 surfboards at the beach how many were short boards?