Simplify. 2 ·6-3 ·5

Name: Problem 39, Chapter 15: Elementary and Intermediate Algebra
Uploaded: 2020-05-18T20:25:17-08:00
Duration: 27 s
Channel: Julie Silva
Description: Simplify. 2 ·6-3 ·5

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Key Concepts

Arithmetic Operations

Arithmetic operations are the basic mathematical procedures used to compute values, including addition, subtraction, multiplication, and division. They form the foundation of number manipulation and calculation, and understanding these operations is essential for evaluating mathematical expressions.

Order of Operations

The order of operations is a set of rules that dictates the sequence in which arithmetic operations should be performed to accurately evaluate expressions. Commonly remembered by the acronym PEMDAS (Parentheses, Exponents, Multiplication and Division, Addition and Subtraction), this concept ensures consistency in interpretation and calculation.

Multiplication

Multiplication is a fundamental arithmetic operation representing repeated addition of a number. It plays a critical role in evaluating expressions and, according to the order of operations, is executed before addition and subtraction.

Subtraction

Subtraction is a basic arithmetic operation used to determine the difference between numbers by removing one quantity from another. In evaluating expressions, subtraction is performed after multiplication and division, following the established order of operations.

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