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QUADRDATIC EQUATIONS
Quadratic Equations, Factors, and Roots
Quadratic Equation | Factors | Roots |
---|---|---|
x^2 + 9x + 20 = 0 | (x + 4)(x + 5) | -4, -5 |
x^2 - 7x + 12 = 0 | (x - 3)(x - 4) | 3, 4 |
x^2 + 13x + 12 = 0 | (x + 1)(x + 12) | -1, -12 |
x^2 + 5x - 14 = 0 | (x - 2)(x + 7) | 2, -7 |
x^2 - x - 56 = 0 | (x + 7)(x - 8) | -7, 8 |
x^2 - 25 = 0 | (x + 5)(x - 5) | -5, 5 |
x^2 - 9 = 0 | (x + 3)(x - 3) | -3, 3 |
x^2 - 81 = 0 | (x + 9)(x - 9) | -9, 9 |
x^2 + 12x + 36 = 0 | (x + 6)(x + 6) | -6 |
x^2 - 14x + 49 = 0 | (x - 7)(x - 7) | 7 |
x^2-3x-6=0 | (blank) | ~1.37,~4.37 |