1. REPORT IN MATH (GROUP 2)

2. QUADRATIC EQUATION BY FACTORING

3. 2 1.) x2 - 5x + 6 = 0 (x-3) (x-2) = 0 x -3 = 0 x – 2 = 0 x = 3 x= 2

4. 2.) x2 – x – 20 = 0 (x - 5) (x + 4) = 0 x – 5 = 0 x + 4 = 0 x = 5 x = -4

5. 3.) x2 = 40 – 18x x2 + 18x – 40 = 0 (x + 20) (x - 2) = 0 x – 5 = 0 x – 2 = 0 x = 5 x = 2

6. 4.) 2x2 – 3x = 1 = 0 (2x -1) (x - 1) = 0 2x – 1 = 0 x – 1 = 0 2x = 1 x = 1 2 2

7. 6.) y (y – 7) = 44 y – 7y = 44 y2 – 7y – 44 = 0 (y - 11) (y + 4) = 0 y – 11= 0 y + 4 = 0 y = 11 y = -4

8. 7.) 2 (3x2 - 1) = -11y 6x2 – 2 = 6x + 5x 6x2 – 2 = 11x 6x2 – 11x – 2 = 0 (6x - 1) (x + 2) = 0 6x – 1 = 0 x + 2 = 0 6x = 1 x = -2 6 6

9. 8.) 5m2 + 20m + 20 = 0 (5m + 10) (m + 2) = 0 5m – 10 = 0 m + 2 = 0 5m = -10 m = -2 5 5 m = -2

10. 9.)15x2 + 13x – 2 = 0 (15x - 2) (x + 1) = 0 15x – 2 = 0 x + 1 = 0 15x = 2 x = -1 15 15 x = 2 15

11. 10.) 4x2 + 19x = 5 4x2 + 19x = 5 (4x - 1) (x + 5) = 0 4x – 1= 0 x + 5 = 0 4x = 1 x = -5 4 4 x= 1 4

12. 11.) 6x2 + 17x =3 6x2 + 17x – 3 = 0 (6x - 1) (x + 3) = 0 6x – 1 = 0 x + 3 = 0 6x = 1 x = -3 6 6 x = 1 6

13. 12.) 49y2 + 25 = 70y 49y2 – 70y + 25 = 0 (7y - 5) (7y - 5) = 0 7y – 5 = 0 7y = 5 7 7 y = 5 7

14. 13.) 2x2 + 7x = 15 2x2 + 7x – 15 = 0 (2x - 3) (x + 5) = 0 2x – 3 = 0 x + 5 = 0 2x = 3 x = -5 2 2 x = 3 2

15. 14.) x2 – 10x = -21 x2 – 10x + 21 = 0 (x - 7) (x - 3) = 0 x = 7 = 0 x – 3 = 0 x = 7 x = 3

16. THAT’S ALL 

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