Distributive property
The question
3(4 + 4x)
Multiply out the bracket.
3(4 + 4x)
3(4 + 4x)
3 × 4=12
3 × 4x=12x
12x+12
- The 3 outside multiplies everything inside the bracket. Draw an arrow from the 3 to each term so neither is missed.
- First arrow: 3 × 4 = 12.
- Second arrow: 3 × 4x = 12x.
- Put the two together: 12x + 12.
How it works.
- 01
The 3 outside multiplies everything inside the bracket. Draw an arrow from the 3 to each term so neither is missed.
- 02
First arrow: 3 × 4 = 12.
- 03
Second arrow: 3 × 4x = 12x.
- 04
Put the two together: 12x + 12.