Unit 1 Lesson 6: Exercise 2
Expand and simplify the following:
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Question 1 of 10
1. Question
- 3x (x + 2) – 2 (x2 – 1)
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= + +
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Question 2 of 10
2. Question
2) 7y (x – 2z) – z (2y – 3)
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= – +
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Question 3 of 10
3. Question
3) ½ (4x + 6) + 1/3 (9x + 3)
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= +
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Question 4 of 10
4. Question
4) ¾ (8x + 6y) + ¼ (2x – 12)
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= + –
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Question 5 of 10
5. Question
5) 3x2 (2x – 1) + 4x3
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= –
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Question 6 of 10
6. Question
6) 3 (5x + 2y) – 6(2x – 3y)
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= +
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Question 7 of 10
7. Question
7) x/7 (14x – 21y) – x/2 (4x – 6y)
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=
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Question 8 of 10
8. Question
8) 2/3 (6x – 9y) + 1/3(9x + 6y)
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= –
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Question 9 of 10
9. Question
9) 1/5 (15x + 10y) + 3/10 (5x – 5y)
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= +
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Question 10 of 10
10. Question
10) 1/8 (6x – 12y) + ½ (3x – 2y)
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= –
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