| PREGUNTAS | ||
| 01) | x2 = 81 | |
| 02) | 14x2 - 28 = 0 | |
| 03) | (x + 6)(x - 6) = 13 | |
| 04) | (2x - 5)(2x + 5) - 119 = 0 | |
| 05) | (x + 11)(x - 11) = 23 | |
| 06) | x2 = 7x | |
| 07) | 21x2 + 100 = - 5 | |
| 08) | 2x2 - 6x = 6x2 - 8x | |
| 09) | (x - 3)2 - (2x + 5)2 = - 16 | |
| 10) | (4x - 1)(2x + 3) = (x + 3)(x - 1) | |
| 11) | x2 + 12x + 35 = 0 | |
| 12) | x2 - 3x + 2 = 0 | |
| 13) | x2 + 4x =285 | |
| 14) | 5x(x - 1) - 2(2x2 - 7x) = - 8 | |
| 15) | (x + 2)2 = 1 - x(x + 3) | |
| 16) |  |
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