Question

Expression 9(2j + 7 + 5j).

use mathematical properties to create two expressions that are equivalent to the expression you created in Question 1. Make sure you show all steps in your work.

Answer 1

18j + 63 + 45j and 9(2j + 7) + 9(5j)

Explanation:

distributive property

9(2j + 7 + 5j)

9× 2j + 9×7 + 9 × 5j

18j + 63 + 45j

associative property

9(2j + 7 + 5j)

9(2j + 7) + 9(5j)