7WB3 - 52 3.1g Homework: Multiplying Groups/Distributive Property

3.1g Homework: Multiplying Groups/Distributive Property
Simplify each of the following. Draw a model or explain the meaning of the expression to justify your answer.
1. 5(x + 1)
2. 2(3x + 2)
3. 4(x + 3)
4. 2(3x – 1)
7.
!
!
3π‘₯ + 12
10. 0.25 4π‘₯ βˆ’ 8
5. 3(2x – 3)
8.
!
!
6. 5(x – 1)
5π‘₯ βˆ’ 8
11. 0.6 βˆ’2π‘₯ + 5
2
9. βˆ’ 5 4π‘₯ βˆ’ 7
12. βˆ’2.4 1.5π‘₯ βˆ’ 0.9
The expressions 2(5x – 3) can be written and 10x – 6 OR 10x + (–6).
Write the following expressions in two different ways as the example shows:
15. 4(3x – 5)
16. 2(7x – 3)
7WB3 - 52
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