2x3 + 2xy2 + 2xz3 ,Someone find the answer

Answer the questions in the attachment. a rescue helicopter is at point a and a rescue boat is at point e. the helicopter pilot spots boats in distress at points d and c,with angles as marked in the diagram. figure abce is a rectangle. the altitude of the rescue helicopter, represented by ae, is 5000 feet.

What expression is equivalent to (2x-1)(x-3)?

If g^-1(x) is the inverse of g (x) which statement must be true