The document discusses the distributive property in mathematics. It explains that the distributive property means taking something and sharing it around, such as multiplying a term outside parentheses by each term inside. It also discusses the FOIL method for distributing terms in multiplication, where the First, Outer, Inner, and Last terms of two expressions joined by multiplication are each multiplied individually. Finally, it notes the key insights that ab + a = a(b+1) and shows deMorgan's laws.