| |
|
PREGUNTAS |
|
RESPUESTAS |
| 01) |
|
m2 - n2 |
= |
(m + n)(m - n) |
| |
|
|
|
|
| 02) |
|
x2 - 100 |
= |
(x + 10)(x - 10) |
| |
|
|
|
|
| 03) |
|
25a2 - 144b2 |
= |
(5a + 12b)(5a - 12b) |
| |
|
|
|
|
| 04) |
|
9x2y4 - 121z8
|
= |
(3xy2 + 11z4)(3xy2
- 11z4) |
| |
|
|
|
|
| 05) |
|
400x14 - 1 |
= |
(20x7 + 1)(20x7
- 1) |
| |
|
|
|
|
| 06) |
|
1/4 - 16x2 |
= |
(1/2 + 4x)(1/2 - 4x) |
| |
|
|
|
|
| 07) |
|
1/16 - x4/25 |
= |
(1/4 + x2/5)(1/4 - x2/5) |
| |
|
|
|
|
| 08) |
|
a6/36 -
49b4/100 |
= |
(a3/6 +
7b2/10)(a3/6 -
7b2/10) |
| |
|
|
|
|
| 09) |
|
x2nb8n - 1/169 |
= |
(xnb4n + 1/13)(xnb4n
- 1/13) |
| |
|
|
|
|
| 10) |
|
0.81a6 - 1.21b8 |
= |
(0.9a3 + 1.1b4)(0.9a3
- 1.1b4) |
| |
|
|
|
|
| 11) |
|
1.69x8y10 -
2.25z12 |
= |
(1.3x4y5 + 1.5z6)(1.3x4y5
- 1.5z6) |
| |
|
|
|
|
| 12) |
|
a4nb6n - c12x
/64 |
= |
(a2nb3n + c6x
/8)(a2nb3n - c6x
/8) |
| |
|
|
|
|
| 13) |
|
(m - n)2 - (x + y)2
|
= |
(m - n + x + y)(m - n - x + y) |
| |
|
|
|
|
| 14) |
|
(3x - 4)2 - (2x - 6)2
|
= |
(5x - 10)(x + 2) |
| |
|
|
|
|
| 15) |
|
(3a + 2b - c)2 - (2a + 2b)2 |
= |
(5a + 4b - c)(a - c) |
| |
|
|
|
|
| 16) |
|
25a10 - (3a2 +
4)2 |
= |
(5a5 + 3a2
+ 4)(5a5 + 3a2 - 4) |
| |
|
|
|
|
| 17) |
|
36(x - y)2 - 16(x + y)2 |
= |
(10x - 2y)(2x - 10y) |
| |
|
|
|
|
| 18) |
|
(c2a + ab2)2
- (ac2 - ab2)2 |
= |
4a2b2c2 |
| |
|
|
|
|
| 19) |
|
49(x4 - y2)2
- 400(z2 - 2zy + y2)2 |
= |
(7x4 + 13y2 +
20z2 - 40zy)(7x4 - 27y2
- 20z2 + 40zy) |
| |
|
|
|
|
| 20) |
|
900(a2 - 2ab + b2)2
- 225(a2 + 2ab + b2)2 |
= |
225(3a2 - 2ab + 3b2)(a2
- 6ab + b2) |
| |
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