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Name:___________________________ Date:___________________ Geometry Notes Algebra - 3: Factoring 2 1. x2 – 9 2. x2 – 9x 3. x2 – 8x – 48 4. 4x2 – 6x 5. 18x – 30 6. x2 – 5x + 6 7. ax – bx 8. 6x2 + 3x 9. x2 + 13x + 36 10. 4x2 – 81 11. x2 + 5x – 24 12. x2 – 4x 13. x2 – 4 14. 2x – 4 15. 18x2 – 50y2 Factoring Trinomials, a 1: The “ac Method” (a.k.a. “Split the Middle”) a. Factor 2x2 + 5x – 12 1) Find the product ac: 2) Find two numbers that multiply to ac and add to b: 3) Use those two numbers to “split the middle term:” 4) Factor by grouping: b. 3x2 – 17x + 20 = c. x2 + 8x – 20 = d. 5x2 – 15x – 20 = Practice 1. x2 – 4 = 2. x2 – 4x = 3. x2 – 4x – 5 = 4. 2x3 – 32x = Exit Ticket 5. 2x2 – 2x – 12 = 6. 2x2 – 3x – 14 =