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| Question 1 |
3x + 5y + 8x + 2y |
| A. | 18xy | B. | 11x + 7y |
| C. | 8x + 10y | D. | 18(x + y) |
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| Question 2 |
4x3 + 18x3 |
| A. | 22x3 | B. | 22x6 |
| C. | 22x9 | D. | x6 |
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| Question 3 |
3x2 − 25 + 8x2 |
| A. | 135 | B. | 11x4 − 25 |
| C. | 13x9 | D. | 11x2 − 25 |
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| Question 4 |
8x2 − 2x5 − 8x2 |
| A. | 2x5 | B. | − 2x5 |
| C. | 16x2 − 2x5 | D. | 18x−3 |
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| Question 5 |
8x2 − 2y5 − (8x2 + 2y5) |
| A. | 0 | B. | − 4y5 |
| C. | 16x2 − 4y5 | D. | 8x2 + 12y5 |
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| Question 6 |
x2 + y5 + (x2 − 2y5) |
| A. | x2 − 2y5 | B. | 4x2 − 2y5 |
| C. | 2x2 − y5 | D. | 2x2 − 2y5 |
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| Question 7 |
3A3 − 5A5 + (8A3 + 5A5) |
| A. | 3A3 | B. | 3A5 |
| C. | 11A3 | D. | 11A5 |
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| Question 8 |
x + x2 + x3 + x4 |
| A. | x + x2 + x3 + x4 | B. | 4x4 |
| C. | 2x2 + 2x3 | D. | 8x |
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| Question 9 |
m2 + 2m2 − (4m2 + 8m2) |
| A. | 9m2 | B. | 8m2 |
| C. | 6m2 | D. | − 9m2 |
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| Question 10 |
3x7 − 2y7 + (4x7 + 5y7) |
| A. | 3y7 | B. | 2x7 + 3y7 |
| C. | 7x7 + 3y7 | D. | 7x7 + 7y7 |
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