# Special Patterns

Multiply the following: Symbolically and by drawing an area model

1. $$(x-2)(x-2)$$
2. $$(x+3)^2$$
3. $$(a+b)^2$$
4. $$(a-b)^2$$

What patterns did you observe?

Multiply the following:

1. $$(x-2)(x^2+2x+4)$$
2. $$(x+3)(x^2-3x+9)$$
3. $$(a+b)(a^2-ab+b^2)$$
4. $$(a-b)(a^2+ab-b^2)$$

What pattern did you observe?