A worksheet focusing on the application of distribution over variables involves exercises where a factor outside parentheses, often a constant or another variable, is multiplied by each term within the parentheses. For example, a problem might ask a student to simplify an expression like 3(x + 2y) to 3x + 6y, demonstrating the multiplication of both x and 2y by 3. These worksheets typically present a variety of problems, increasing in complexity to encompass multiple variables, negative numbers, and exponents, solidifying understanding and fluency.
Mastering this algebraic concept is fundamental for simplifying expressions, solving equations, and factoring. It forms a cornerstone of higher-level mathematics, appearing in areas like calculus and linear algebra. Historically, while the underlying principle has been used implicitly for centuries, formal recognition and symbolic representation of distribution emerged as algebra developed and notation became standardized.