In the accompanying diagram, the width of the inner rectangle is represented by 2 - 3 and the length by 2+3. The width of the outer rectangle is represented by 3 - 4 and the length by 32 +4.
x + 3
x-3
|3x - 4
3x + 4
Part A
Write an expression to represent the area of the larger rectangle.
Part B
Write an expression to represent the area of the smaller rectangle,
x2
Part
Express the area of the region inside the larger rectangle by outside the smaller rectangle as a polynomial in terms of x.