Distributive Property

1
Distributive Property

• KF53/78

2
Area Model

• Recall Area of a rectangle is A bh.
• 2 ( x 4 )
• OR
• OR 2(x 4)
• (Multiply!)

x 4
2
2x 8
Height
Base
X 4
2(x) 2(4) 2x 8
2
2(x)
2(4)
2x
8
3
More Examples

• -3(x 7 )
• 5(x² - 3x 2)
• (x 4)(x 7)

-3x
21
5x²-15x10
x²
7x
-4x
-28
x² 3x - 28
4
Factor

• Reverse the process
• Find the largest that can divide into EACH part
  (this will be the outside )
• THINK ? about what youd multiply the outside
  by to get the inside.
• Ex1 4x 8
• Ex2 3x² x
• Ex3 10x²-5x

4(x2)
x(3x 1)
5x(2x-1)