Bonnie is making a poster with a length of 5 feet and a width of 2 feet for a school competition . She decides to add x feet to the width of the poster as shown in the following diagram. How can the area of the new poster be expressed in expanded form?

Respuesta :

In expanded form, This expression can be written as: 
5 X 2x or for perimeter it can be 5 + 5 + 2x +2x