G8

Copyright © Swun MathCopyright © Swun Math Grade 8 Unit 4 Lesson 5 C TE

Structured Guided Practice

(A/B Partners Practice)

Directions: Expand the expression and simplify.

1. 3(2x + 4)

Solution:

(2푥푥 + 4) + (2푥푥 + 4) + (2푥푥 + 4)

2 푥푥 + 2푥푥 + 2푥푥 + 4 + 4 + 4

6 푥푥 + 12

2. 4(─2x – 3)

Solution:

(− 2 푥푥− 3 )+(− 2 푥푥− 3 )+(− 2 푥푥− 3 )+ (− 2 푥푥− 3)

− 2 푥푥− 2 푥푥− 2 푥푥− 2 푥푥− 3 − 3 − 3 − 3

− 8 푥푥− 12