1. SECTION 8-4 – MULTIPLYING SPECIAL CASES
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SECTION 8-4 – MULTIPLYING SPECIAL CASES

2. 1) (x + 2)(x + 4)

3. 1) (x + 2)(x + 4) 2) (2x - 4)(x² + 3)

4. 3) (x + 2)(x + 2)

5. 3) (x + 2)(x + 2) 4) (2x + 5)(2x + 5)

6. 3) (x + 2)(x + 2) 4) (2x + 5)(2x + 5) 5) (x + 3)²

7. 6) (x - 2)(x - 2)

8. 6) (x - 2)(x - 2) 7) (3x - 4)(3x - 4)

9. 6) (x - 2)(x - 2) 7) (3x - 4)(3x - 4) 8) (x - 6)²

10. 9) (x - 2)(x + 2)

11. 9) (x - 2)(x + 2) 10) (2x - 4)(2x + 4)

12. 9) (x - 2)(x + 2) 10) (2x - 4)(2x + 4) 11) (x + 5)(x - 5)

13. What Patterns Did We See?

14. What Patterns Did We See? (a + b)(a + b) = a² + 2ab + b²

15. What Patterns Did We See
What Patterns Did We See? (a + b)(a + b) = a² + 2ab + b² (a - b)(a - b) = a² - 2ab + b²

16. What Patterns Did We See
What Patterns Did We See? (a + b)(a + b) = a² + 2ab + b² (a - b)(a - b) = a² - 2ab + b² conjugates (a + b)(a - b) = a² - b²
Show examples of each:
1) (x + 1)²
2) (x - 1)²
3) (x + 1)(x - 1)

17. SQUARE of a SUM
(a + b)2 = a2 + 2ab + b2
SQUARE of a DIFFERENCE
(a – b)2 = a2 – 2ab + b2
DIFFERENCE of SQUARES
(a + b)(a – b) = a2 – b2

18. 12) (2n + 3)²

19. 12) (2n + 3)² 13) (2n - 3)²

20. 12) (2n + 3)² 13) (2n - 3)² 14) (x + 6)(x + 6)

21. 12) (2n + 3)² 13) (2n - 3)² 14) (x + 6)(x + 6) 15) (x - 6)(x - 6)

22. 16) (x - 9)(x + 9)

23. 16) (x - 9)(x + 9) 17) (5c - 7)(5c + 7)

24. 16) (x - 9)(x + 9) 17) (5c - 7)(5c + 7) 18) (8x + 2)(8x - 2)

25. 19) (3x + 5)²

26. 19) (3x + 5)² 20) (4x - 5)(4x + 5)

27. 19) (3x + 5)² 20) (4x - 5)(4x + 5) 21) (x - 8)²

28. 19) (3x + 5)² 20) (4x - 5)(4x + 5) 21) (x - 8)² 22) (4 - y)²