Question

Which of the following represents the area of a rectangle whose length is x + 4 and whose width is

x - 9?

x2- 36

x2+ 5x - 36

x2- 5x - 36

x2+ 36x - 5

Answer 1

Area=length*width so:

A=(x+4)(x-9)

A=x^2-9x+4x-36

A=x^2-5x-36

Answer 2

I believe it is C) x^2-5x-36.