1. Multiplying binomials the Break up out of jail method
This is called
the Break up out of jail method

2. Multiplying binomials
A binomial has two terms.
We will be multiplying pairs of numbers.

3. Example 1 Multiplying binomials
+ -5
(x – 3)
The (x – 5) must break up
so they can break ( x – 3) out of jail.

4. Example 1 Multiplying binomials
+ -5
x² – 3x + -5x + 15
Now break out of jail.

5. Example 1 Multiplying binomials
x² – 3x + -5x + 15
x² – 8x + 15
Combine like terms.

6. Example 1 Multiplying binomials
x² – 8x + 15
Final Answer

7. Example 2 Multiplying binomials
+ 4
(x + 2)
The (x + 4) must break up
so they can break ( x + 2) out of jail.

8. Example 2 Multiplying binomials
+ 4
x² + 2x + 4x + 8
Now break out of jail.

9. Example 2 Multiplying binomials
x² + 2x + 4x + 8
x² + 6x + 8
Combine like terms.

10. Example 2 Multiplying binomials
x² + 6x + 8
Final Answer

11. Multiplying binomials
Your final answer
should always have an x² first
and a whole number at the end.
This is called standard form.

12. Multiplying binomials Try this one on your own:
(x – 6)(x + 2)
When everyone on your team is finished, click to check your final answer.

13. Multiplying binomials
x² - 4x - 12
Final Answer