2
2 ft
4x + 4x²
2 + 2x + 4x + 4x²
2x and 4x
ft²
(2 + 2x)
The width of each border
1 ft
Multiplying Polynomials
4x² + 6x + 2
2 + 6x + 4x²
The combined area of a poster and its border
6x
(1 + 2x)
1(2 + 2x)
6
4
Distributive Property
A = lw
2x(2 + 2x)
(1 + 2x)(2 + 2x)
3
2
2 + 2x
