A19­6FactoringTriNomsPart2.notebook
April 16, 2015
Algebra 1
Ch.9 Notes Page 53
P53 9­6 Factoring Trinomials Part 2
Sep 2­8:31 AM
Factoring ­ (Opposite of Distributing)
Greatest Common Factors
Factor out the GCF First!!!
2
4x + 20x ­12
2
9n ­ 24n
Mar 4­8:09 AM
1
A19­6FactoringTriNomsPart2.notebook
April 16, 2015
ax2 + bx + c
Find two numbers that Add to b and Multiply to ac
2x2 + 19x + 17
Rewrite b as...
Factor
Apr 16­7:13 AM
Factoring ­ (Opposite of Distributing)
ax2 + bx + c
Find two numbers that Add to b and Multiply to ac
2x2 + x ­ 28
Apr 21­8:18 AM
2
A19­6FactoringTriNomsPart2.notebook
April 16, 2015
Factoring ­ (Opposite of Distributing)
ax2 + bx + c
Find two numbers that Add to b and Multiply to ac
2x2 ­ 11x + 15
Apr 21­8:17 AM
Factoring ­ (Opposite of Distributing)
ax2 + bx + c
Find two numbers that Add to b and Multiply to ac
2x2 + x ­ 28
ac and b
­1 x 56
­2 x 28
­4 x 14
­7 x 8
Write 2 fractions
Leading Coefficient/Each Number
2/­7 and 2/8 (Reduce the Fractions)
2/­7 and 1/4 (Keep the Neg in the bottom)
(2x ­ 7)(1x + 4)
Apr 21­8:18 AM
3
A19­6FactoringTriNomsPart2.notebook
April 16, 2015
Factoring ­ (Opposite of Distributing)
ax2 + bx + c
Find two numbers that Add to b and Multiply to ac
2x2 ­ 11x + 15
ac and b
­1 x ­30
­2 x ­15
­3 x ­10
­5 x ­6
Write 2 fractions
Leading Coefficient/Each Number
2/­5 and 2/­6 (Reduce the Fractions)
2/­5 and 1/­3 (Keep the Neg in the bottom)
(2x ­ 5)(1x ­ 3)
Apr 21­8:17 AM
Factoring ­ Examples
2x2 + 5x + 2
6x2 + 23x + 7
Apr 2­8:20 AM
4
A19­6FactoringTriNomsPart2.notebook
April 16, 2015
Factoring ­ Examples
5x2 ­ 14x ­ 3
7x2 ­ 26x ­ 8
Apr 2­8:20 AM
Factoring ­ Greatest Commom Factor
20x2 + 80x + 35
2x2 + 12x + 10
Apr 2­8:21 AM
5
A19­6FactoringTriNomsPart2.notebook
April 16, 2015
HW #61
9­6 P525 #1­27
Please put your name and class period at the top of the homework.
Also include the homework number.
Nov 19­3:21 PM
6