1. | The terms in the expression pq + pr have a common factor: |
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2. | What is the highest common factor of 12 and 40? |
3. | What is the highest common factor of 32 and 72? |
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4. | What is the highest common factor of a^{5} and a^{32}? |
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5. | The highest common factor of 54 and 81 is: |
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6. | Pq - wq factorises to |
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7. | 12a + 24 completely factorises to |
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8. | Factorise the expression3a - 9 |
9. | Factorise the expression15a - 50 |
10. | Factorise the expression12 + 30a |
11. | Factorise the expression32 - 24a |
12. | Factorise the expression14aq + 7q - 21wq |
13. | Factorise and simplify the expression20a + 5 + 28a - 7 |
14. | 36aqd + 18ad^{2} - 12adq + 6adfactorises to become |
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