A square can be changed into a rectangle by increasing the length of the square by 5 units and increasing the width by 3 units. which expression represents the area of the rectangle in square units?

Respuesta :

To represent the area of this rectangle, you will write expressions that represents the new length and the new width. x Will represent the original side length.

l = x + 5
w = x - 3

A= lw
(x + 5)(x - 3)
This becomes x^2 + 2x - 15.