कैसे हल करें EXERCISE 8.3 Factorize. 1. 4x ^ 2 + 8x + 3 4. 3x ^ 2 - 15x + 18 7. x ^ 2 - 2x - 24 10. m ^ 2 - 4m - 12 13. 3x ^ 2 + 5x + 2 16. 3m ^ 2 + 14m + 8 9. 6x ^ 2 + x - 7 2 . x ^ 2 - 17x + 60 2. a ^ 2 + 9a + 20 5. a ^ 2 - 24a + 128 8. x ^ 2 - 21x + 54 11. - x ^ 2 + 3x + 18 14. 3x ^ 2 + 15x - 72 17. m ^ 2 + 3m - 4 20. - z ^ 2 - 13z - 40 23. 2x ^ 2 - 3ax - 2a ^ 2 3 . x ^ 2 + 9x + 18 6. x ^ 2 - 40x + 279; z ^ 2 - z - 2 12. a ^ 2 - 5a - 176 15. 4x ^ 2 - 19x + 15 18. 2x ^ 2 + x - 6 21. -(-4x^ 2 +4x+15 24. 3x ^ 2 - 15x + 18 Maths -7

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1. Factor the equation (x + 2)(x + 3) = 0. 2. Set each factor equal to zero: x + 2 = 0 and x + 3 = 0. 3. Solve for x: x = -2 and x = -3.

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