How to apply distributive property then simplify the expression by combining like terms

The video tutorial covers the application of the distributive property in algebra, emphasizing common mistakes students make, such as incorrect multiplication of terms outside parentheses. It explains the importance of multiplying only the terms inside the parentheses and highlights the need to simplify expressions by combining like terms. The tutorial also discusses reordering terms while maintaining their signs to simplify calculations.

What is the significance of keeping signs the same when reordering terms?

Describe the process of combining like terms in the expression -6X - 10X.