How to simplify an expression by following order of operations and distributive property

The video tutorial explains the use of grouping symbols in mathematical expressions, emphasizing the importance of simplifying the innermost parentheses first. It covers the application of the distributive property and the process of combining like terms to simplify expressions. The tutorial aims to clarify common mistakes students make when dealing with complex expressions and provides a step-by-step approach to solving them.

What is the primary purpose of using grouping symbols like parentheses and brackets in mathematical expressions?

• To subtract numbers

• To add numbers

• To group terms and expressions

• To multiply numbers

When simplifying expressions, which part should you focus on first?

• The outermost parentheses

• The innermost parentheses

• The largest number

• The smallest number

What is the result of applying the distributive property to 2 * (X - 1)?

• X + 2

• X - 2

• 2X + 1

• 2X - 2

How do you combine like terms in the expression 5X + 2X?

• 7X

• 5X

• 10X

• 3X

What is the final simplified form of the expression 18X^2 + 14X - 3 - 4?

• 18X^2 + 14X - 7

• 18X^2 + 14X - 1

• 18X^2 + 14X + 7

• 18X^2 + 14X + 1