Juan is constructing picture frames to create a collage on his bedroom wall. He constructs a square frame with side lengths of x inches. He constructs another frame with the same length, but a width that is 3.5 inches longer than the square frame. The area of the new, rectangular frame can be determined by the following expression.
please look at the picture attached then answer!
Select the best description of the term 3.5x.
A. the area of the original picture frame
B. the area of the new picture frame
C. the width of the new picture frame
D. the increase in area of the new frame