Download 1. x2 – 9 2. x2 – 9x 3. x2 – 8x

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 =