Distributive property.
Subject:
Algebra [1]
First you need to multiply the number in front of the parenthesis by the first number in the parenthesis and then bring it down. Next you multiply the number on the outside by the second number of the inside of the parenthesis and bring it down and so on. Once you are done with all the multiplication, do your like terms and such. Then you are done.
Text automatically extracted from attachment below. Please download attachment to view properly formatted document.
---Extracted text from uploads/archive/algebra/d.docx---