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BALG2: Solving Quadratic Eqns by Factoring
Solve each equation by factoring. Remember to set each equation equal to 0 before you factor! The symbol ^ stands for "raised to a power of".
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| A | B |
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| x^2 + 7x = -10 | -5, -2 |
| x^2 - 7x = -10 | 5, 2 |
| x^2 + 3x - 10 = 0 | -5, 2 |
| x^2 - 3x = 10 | 5, -2 |
| x^2 - 6x + 9 = 0 | 3, 3 |
| x^2 - 9 = 0 | 3, -3 |
| x^2 + 6x + 9 - 0 | -3, -3 |
| x^2 + 15x + 36 = 0 | -12, -3 |
| x^2 - 9x = 36 | 12, -3 |
| x^2 + 9x = 36 | -12, 3 |
| x^2 + 14x + 13 = 0 | -1, -13 |
| x^2 + 12x - 13 = 0 | -13, 1 |
| x^2 - 12x - 13 = 0 | -1, 13 |
| x^2 + 16x + 39 = 0 | -13, -3 |
| x^2 + 10x - 39 = 0 | -13, 3 |
| x^2 - 10x - 39 = 0 | 13, -3 |
| x^2 + 8x + 12 = 0 | -6, -2 |
| x^2n+ 4x - 12 = 0 | -6, 2 |
| x^2 + 9x + 18 = 0 | -6, -3 |
| x^2 + 11x + 20 = 2 | -9, -2 |
| x^2n- 7x - 18 = 0 | 9, -2 |
| x^2 + 7x + 1 = 19 | 2, -9 |
| x^2 + 3x - 28 = -10 | -6, 3 |
| x^2 - 19x + 18 = 0 | 18, 1 |
| x^2 + 19x - 2 = -20 | -18, -1 |
| x^2 - 17x - 15 = 3 | -18, 1 |
| x^2 - 17x - 25 = -7 | -1, 18 |
| 36x^2 - 49 = 0 | 7/6, -7/6 |
| 49x^2 = 36 | 6/7, -6/7 |
| 25x^2 - 64 = 0 | 8/5, -8/5 |
| 64x^2 - 25 = 0 | 5/8, -5/8 |
| 64x^2 + 80x = -25 | -5/8, -5/8 |
| 64x^2 - 80x + 25 = 0 | 5/8, 5/8 |
| 100x^2 - 49 = 0 | 7/10, -7/10 |
| x^2 - 5x = 0 | 0, 5 |
| x^2 + 5x = 0 | 0, -5 |
| x^2 - 9x = 0 | 0, 9 |
| x^2 = -9x | 0, -9 |
| x^2 - 8x = 0 | 0, 8 |
| x^2 + 8x = 0 | 0, -8 |
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Faculty |
Althoff Catholic High School |
| Belleville, IL |
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