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Lesson 13-3 Pages 678-681

Lesson 13-3 Pages 678-681. Subtracting Polynomials. What you will learn!. How to subtract polynomials. Vocabulary. What you really need to know!. To subtract polynomials, subtract like terms. Example 1: Find the difference:. (7a + 4) − (9a + 2). Example 1b: Find the difference:.

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Lesson 13-3 Pages 678-681

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  1. Lesson 13-3Pages 678-681 Subtracting Polynomials

  2. What you will learn! • How to subtract polynomials.

  3. Vocabulary

  4. What you really need to know! To subtract polynomials, subtract like terms.

  5. Example 1: Find the difference: (7a + 4) − (9a + 2)

  6. Example 1b: Find the difference: (8b2 + 6) − (3b2 + 6b + 1)

  7. Example 2: Find the difference: (4 x - 8) − (3x + 9)

  8. Example 2b: Find the difference: (7ab + 2b2) − (3a2 + ab + b2)

  9. Example 3: The length of a rectangle is x2 – 9 x + 10 units. The width is x2 –x units. How much longer is the length than the width?

  10. Example 3: Find the difference: (x2 – 9x + 10) − (x2 - x)

  11. Page 680 Guided Practice #’s 3-9

  12. Read: Pages 678-679 with someone at home and study examples!

  13. Homework: Pages 680-681 #’s 10-26 even #’s 30-45 all Practice Quiz 1

  14. Page 756 Lesson 13-3

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