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Trinomial Presentations from 801
- 3. x2 + 8x + 15
1 1 1 1 1
x2 x x x x
1 1 1 1 1
1 1 1 1 1
x x x x
- 4. x2 + 8x + 15
x2 x x x x x
1 1 1 1 1
x x x
1 1 1 1 1
1 1 1 1 1
- 12. X^2-5X-14
-1 -1 -1 -1 -1 -1 -1
X^2 -x -x -x -x -x -1 -1 -1 -1 -1 -1 -1
-x + x =0 -x + x =0 -x + x =0 -x + x =0 -x + x =0
- 16. x^2-5x-14
-1 -1 -1 -1 -1 -1 -1
x^2 -x -x -x -x -x
-1 -1 -1 -1 -1 -1 -1
-x x -x x -x x -x x -x x =0
- 17. Factoring
Trinominals
Fatoumata Gumaneh And Aileen Perez
- 19. x^2 + 8x +15
X ^2 x x x x x x x x
1 1 1 1 1 1 1
1 1 1 1 1 1 1
1
- 20. x^2 + 8x +15
X ^2 x x x
1 1 1
x 1 1 1
x 1 1 1
x 1 1 1
x 1 1 1
- 27. Checking Your Work
(x+2)(x+3)
Multiply 3x +2
=
3x^2+5x+2
x 3x^2 2x
+1 3x 2
3x^2+3x+2x+2
=
3x^2+5x+2
- 30. x^2-3x-18
1 1 1 1
xxx
x^2
1 1 1 1
1 1 1 1
- 31. x^2-3x-18
x-3 1 1
1 1
1
x^2 x x
x 1
• x+
1 1
1
1
1
- 35. 3x^2+5x+2
1
x
X^2 1
x^2 x
-0k0-=nqax
x^2 x x
- 38. X^2 - 5x - 14
X^2 x x
-x x x
-x
-x
-x
-x -x
-x
-x
-x
- 42. X^+8X+15
X^ XXXX 1 1 1 1 1
1 1 1 1 1
XXXX 1 1 1 1 1
- 47. x^2-6x+8
x-2 HI
BY
x^2 -x -x
-x
x-4 -x 8
-x
-x
x^2-6x+8
- 52. x^2-5x-14
1 1 1 1 1 1 1
- - - - -
x^2
x x x x x 1 1 1 1 1 1 1
-
0= x
x