G8

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

Answer Key

Homework

1. (푥푥−2) + (푥푥−2) = 2푥푥− 4 2. (− 2 푥푥+ 1)+(− 2 푥푥+ 1)+ (− 2 푥푥+ 1) =− 6 푥푥+ 3

3. (3푥푥−4) + (3푥푥−4) + (3푥푥−4) + (3푥푥−4) = 12 푥푥− 16 4. (−푥푥+ 1)+ (−푥푥+ 1) =− 2 푥푥+ 2

5. (− 3 푥푥+ 3 )+(− 3 푥푥+ 3 )+(− 3 푥푥+ 3 )=− 9 푥푥+ 9 6. (푥푥− 4 )+(푥푥− 4 )+(푥푥− 4 )+(푥푥− 4 )+(푥푥− 4 )= 5 푥푥−

20