1. Opener Notes Name__________________________________________________
Algebra: Factoring Day 4
Opener
Fill in the missing signs.
1. 𝑥 2 +6x+8= 𝑥 2 +2x-8= 𝑥 2 -2x-8 = 𝑥 2 -6x+8=0
( x __ 4) (x __2)
( x __ 4) (x __2)
( x __ 4) (x __2)
( x __ 4) (x __2)
Notes
Difference of perfect squares.
𝑥 = What should the numbers multiply to? ____________
What should the numbers add to? _____________
What will the signs be? ______________________
Practice
𝑥 = 0
𝑥 = 0
3. 𝑥 = 0
4. 𝑥 = 0
5. 𝑥 = 0
6. 𝑥 = 0
7. 𝑥 = 0
8. 𝑥 = 0

2. MAKE SURE ROOTS MATCH UP!!
Practice – Find the roots of the following
Steps
Find the numbers that multiply to the number without the x
Pick the two numbers that add to the number with the x
T it up
Solve to find your roots
Example:
𝑥 x − 16 = 0
5. 𝑥 2 +6x-27= 0
6. 𝑥 2 -5x-14 = 0
7. 𝑥 2 -8x+12= 0
8. 𝑥 = 0
𝑥 2 -2x-15= 0
2. 𝑥 x+18 = 0
3. 𝑥 2 -10x+24= 0
4. 𝑥 2 +5x-24= 0