1. Section 6.2
factoring trinomials

2. Factoring Trinomial of the form ax2 + bx + c
This is the REVERSE of FOIL
1. Divide out a GCF if possible.
2. List the factor pairs of ax2.
3. List the factor pairs of c.
4. Select one pair from each list and plug into 2 binomials.
5. Check the “OI” of FOIL to match the middle term, bx
6. Repeat steps 4 and 5 as needed.

3. Factor each polynomial
1. x2 – x – 42
2. x3 + 4x2y - 21xy2
3. 6x2 - 19x + 10

4. Factor some more! 4. 4m2 + 15m + 6 5. 3r2 + 8rv + 5v2
x2 + 26x - 24

5. Factor… maybe use u-sub?
7. 12r r3 + 5
8. 2(m – 3)2 + 7(m – 3) + 6
9. 8(x + 1)2 + 6(x + 1) – 9