Fully factorise each of the following expressions. This exercise is a mixed exercise. You will need to apply your knowledge of common factors, difference of squares and/or trinomials. 1. 49a²b-b3 3. 2k²-5k + 3 5. 12k² + 22k - 14 7. m²(x² + 2x + 1) - n²(x² + 2x + 1) 9. 12m² - 19mn + 5n² 11. 75x²-12y8 2. 2m²-32 4. 18x² + 3x - 45 6. 5x – 45 8. 4(3x-2y)2-9y² 10. 36m-25m² + 4 12. 3m² + 5m - 12 EXER Fully fa 1. P- 2. x( 3. ax 4. 3- 5. 4 6. E 7.8 8.

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