distributing & combining like terms in expressions

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Distributing & Combining Like Terms in Expressions

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Distributing & Combining Like Terms in Expressions. Distributing & Combining Like Terms. Distribute first Then combine like terms Example 1: 3(x + 5) - 8. Get rid of any zero pairs. Count up what you have left and that will be your answer!. Group 2. Answer: 3x + 7. Group 1. Group 3. - PowerPoint PPT Presentation

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Page 1: Distributing & Combining Like Terms in Expressions

Distributing & Combining Like Terms in Expressions

Page 2: Distributing & Combining Like Terms in Expressions

Distributing & Combining Like Terms

• Distribute first• Then combine like terms

Example 1: 3(x + 5) - 8

Group 1 Group 2 Group 3

Get rid of any zero pairs.

Count up what you have left and that will be your answer!

Answer: 3x + 7

Page 3: Distributing & Combining Like Terms in Expressions

Example 2

2(3x + 2) + 2x

Group 1 Group 2

Get rid of any zero pairs. Then count up what you have left. What you have left will be your answer.

Answer: 8x + 4

Page 4: Distributing & Combining Like Terms in Expressions

Example 3

2(x – 4) + -3x + 5

Group 2

Group 1

Cross of zero pairs. Answer:-x - 3

Page 5: Distributing & Combining Like Terms in Expressions

Try these with your algebra tiles

1. 2(2x – 3) + 62. 2(2x - 4) + 103. -5x + 2(x – 3)4. 5(x – 2) + 75. 3(-x + 3) + x - 26. 2(x - 4) + 2(-x + 5)

4x - 3

4x + 6

-3x - 6

5x - 3

-2x + 7

2