Question

a photograph is in the shape of a rectangle. it has a length of (x+2) inches and a width of (x-2) inches. What is the area of the photograph?

Answer 1

x^2-4

Explanation:

Use FOIL

F:x^2

O:-2x

I:2x

L:-4, now add them all together

x^2-4 is the area of the photograph