Distributive law

• How to Prove x(y − z) = xy − xz in a Ring
  In any ring, left distributivity and the additive inverse law give x(y − z) = xy − xz; follow the proof and a worked matrix example.
• How Do Brackets Work in Boolean Algebra’s Distributive Laws?
  Learn how parentheses group Boolean expressions, when to distribute AND or OR, and how to simplify bracketed expressions without changing their value.