alguien que se sepa estos casos de factorizacion
Es urgente doy 25 pts
Respuestas
Respuesta:
1. x² + 14x + 49
(x + 7)(x + 7) = (x + 7)²
2. x² + 8x + 16
(x + 4)(x + 4) = (x +4)²
3. a² + 18a + 81
(a + 9)(a + 9) = (a +9)²
4. a² - 6a + 9
(a - 3)(a - 3) = (a - 3)²
5. y² - 24y + 144
(y - 12)(y - 12) = (y - 12)²
6. x² + 10x + 25
(x + 5)(x + 5) = (x + 5)²
7. t² - 2t + 1
(t - 1)(t - 1) = (t - 1)²
8. z² + 16z + 64
(z + 8)(z + 8) = (z + 8)²
9. x² - 22x + 121
(x - 11)(x - 11) = ( x - 11)²
10. a² - 12a + 36
(a - 6)(a - 6) = (a - 6)²
11. 1 + 6a + 9a²
(1 + 3a) + (3a + 9a²)
1(1 + 3a) +3a(1 + 3a)
(1 + 3a)( 1 + 3a) = (1 + 3a)²
12. 4x² + 20x + 25
(4x² + 10x) + (10x + 25)
2x(2x + 5) + 5(2x + 5)
(2x + 5)(2x + 5) = (2x + 5)²
13. 9x² - 6x + 1
(9x² -3x) + (-3x + 1)
3x(3x - 1) - 1(3x - 1)
(3x - 1)(3x - 1) = (3x - 1)²
14. a² - 4ab + 4b²
(a² - 2ab) + (- 2ab + 4b²)
a(a - 2b) - 2b(a - 2b)
(a - 2b)(a - 2b) = (a - 2b)²
15. y² + 6xy + 9x²
(y² + 3xy) + (3xy + 9x²)
y(y + 3x) +3x(y + 3x)
(y + 3x) (y + 3x) = (y + 3x)²
16. 4t² + 12t + 9
(4t² + 6t) + (6t + 9)
2t(2t + 3) + 3(2t + 3)
(2t + 3)(2t + 3) = (2t + 3)²
17. 4x² + 12xy + 9y²
(4x² + 6xy) + (6xy + 9y²)
2x(2x + 3y) + 3y(2x + 3y)
(2x + 3y)(2x + 3y) = (2x + 3y)²
18. 9x² - 30xy + 25y²
(9x² - 15xy) + (-15xy + 25y²)
3x(3x - 5y) - 5y(3x -5y)
(3x - 5y)(3x -5y) = (3x - 5y)²
19. x² + 14xy + 49y²
(x² + 7xy) + (7xy + 49y²)
x(x + 7y) + 7y(x + 7y)
(x + 7y)(x +7y) = (x + 7y)²
20. no se mira bien
21. x² + 5x + 6 ==> (x + 3)(x + 2)
22. x² + x - 6 ==> (x + 3)(x - 2)
23. x² - x - 6 ==> (x - 3)(x + 2)
24. x² - 5x + 6 ==> (x - 3)(x - 2)
25. a² -5a - 36 ==> (a - 9)(a + 4)
26. a² + a - 30 ==> (a + 6)(a - 5)
27. a² + 8a + 7 ==> (a + 7)(a + 1)
28. y² + y - 56 ==> (y - 8)(y + 7)
29. x⁴ - 6x² + 9 ==> (x² - 3)(x² - 3) ==> (x² - 3)²
30. 4 + 20y² + 25y⁴
(4 + 10y²) + (10y² + 25y⁴)
2(2 + 5y²) + 5y²(2 + 5y²)
(2 + 5y²)(2 +5y²) = (2 + 5y²)²
31. x⁴ + 2x²y² + y⁴
(x⁴ + x²y²) + (x²y² +y⁴)
x²(x² + y²) + y²(x² + y²)
(x² + y²)(x² + y²) = (x² + y²)²
32. x⁶ + 2x³ + 1 ==>(x³ + 1)(x³ + 1) = (x³ + 1)²
33. a⁴ - 4a²b² + 4b⁴
(a⁴ - 2a²b²) + (-2a²b² + 4b⁴)
a²(a² - 2b²) -2b²(a² - 2b²)
(a² - 2b²)(a² -2b²) = (a² - 2b²)²