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1) x2 + 5x + 6 = (x+2)(x+3)
2) x2 + 6x + 5 =(x+2)(x+3)
3) x2 + 2x + 1 = (x+1)(x+1)
4) x2 + 10x + 16 =(x+2)(x+8)
5) x2 + 8x + 16 = (x+4)(x+4)
6) x2 – 5x – 14 =(x+2)(x-7)
7) x2 + 8x + 15 =(x+3)(x+5)
8) x2 – 2x – 63 =(x+7)(x-9)
9) x2 – 10x + 25 =(x-5)(x-5)
10) y2 + 9y +18 = (y+3)(y+6)
Trinomios de la segunda forma:
1. 9x² - 81x + 50 = (3x - 25) (3x - 2)
2. 18x² - 17x -187 = (6x + 17) (3x - 11)
3. - 4x² + 4x + 3 = (x – ³/₂)(x + ½)
4. 6x² - x – 2 = (3x - 2) (2x + 1)
5. 6x² - 2x – 4 = (x - 1) (x + ⅔)
6. 3x² + 8x – 35 = (3x - 7) (x + 5)
7. 9a² + 9ab - 18b² = (a + 2b) (a - b)
8. 4x² +17x -15 = (4x - 3) (x + 5)
9. 15x² + x - 2 = (5x + 2) (3x - 1)
10. 7x² + 13x – 2 = (x + 2)(7x - 1)