X a a a
a x a a
a a x a ? How can it become
a a a x (x+3a)×(x-a)^3

How do you use the additive inverse to evaluate an expression that uses subtraction in a full sentence

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

Which of these tools or constructions is used to inscribe a hexagon inside a circle?