Learn how to simplify the expression by applying distributive property twice, 3(y-6)-(y+7)

The video tutorial explains the use of parentheses in mathematical expressions, focusing on multiplication and the distributive property. It covers the concept of variables raised to the zero power and how numbers can be multiplied by one without changing their value. The tutorial demonstrates applying the distributive property, especially with negative numbers, and guides students through simplifying expressions by rearranging and combining like terms.

What is the significance of multiplying a number by one in mathematical expressions?

Explain how to apply the distributive property to the expression 3 * (Y - 6).

How can you rearrange the expression 4 - 3 to maintain the correct signs?

What does it mean to combine like terms in an expression?

Describe the process of simplifying the expression 3Y - Y - 18 - 7.