Hard trinomials
__1. 2v^ 2 + 11v + 5A. (2x −5) (x −2)
__2. 2x2 + x – 6.B. ( x + 2 ) ( 3x + 1)
__3. 2x^ 2 −9x +10C. (x − 7)(4x − 7)
__4. 3x^ 2 +7x +2D. (2v + 1)(v + 5)
__5. 4n2 − 15n − 25E. (3x − 7)(2x + 7)
__6. 4x2 – 19x + 12F. 3(3k + 1)(k + 7)
__7. 4x2 − 35x + 49G. (n − 5)(4n + 5)
__8. 6x2 + 7x − 49H. (7a + 4)(a + 7)
__9. 7a2 + 53a + 28I. (2x – 3)(x + 2).
__10. 9k2 + 66k + 21J. (x – 4)(4x – 3).
__11. 2x2 + 17x + 26A. –1(2x – 1)(3x + 2)
__12. 2x2 – 4x – 16B. 2(x – 4)(x + 2).
__13. 3x2 + 20x - 7C. (4x – 9)(5x + 7)
__14. 6 + x – x2D. –1(x + 2)(x – 3)
__15. 6x2 + xy – 12y2E. (x – 2y)(x – 3y)
__16. 20x2 – 17x – 63F. (2x + 3y)(3x – 4y).
__17. x2 – 5xy + 6y2G. (x+7)(3x-1)
__18. –6x2 – x + 2H. (x + 2)(2x + 13)
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