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# Special Products (Product of Sum and Difference)

- 1Expand and Simplify $$(x+5)(x-5) $$
- 2Expand and Simplify $$(y-3)(y+3) $$
- 3Expand and Simplify $$(m+7)(m-7) $$
- 4Expand and Simplify $$(2n+3)(2n-3) $$
- 5Expand and Simplify $$(3x-5)(3x+5) $$
- 6Expand and Simplify $$(4-7x)(4+7x) $$
- 7Expand and Simplify $$(3a+5b)(3a-5b) $$
- 8Expand and Simplify $$3(5x+2y)(5x-2y) $$
- 9Expand and Simplify $$-2(4-3x)(4+3x) $$
- 10Expand and Simplify $$-4(x+2)(x-2) $$

$$e=mc^2$$