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Simplifying 20x2 + 8 + -1[6(x2 + -5) + 9] = 0 Reorder the terms: 20x2 + 8 + -1[6(-5 + x2) + 9] = 0 20x2 + 8 + -1[(-5 * 6 + x2 * 6) + 9] = 0 20x2 + 8 + -1[(-30 + 6x2) + 9] = 0 Reorder the terms: 20x2 + 8 + -1[-30 + 9 + 6x2] = 0 Combine like terms: -30 + 9 = -21 20x2 + 8 + -1[-21 + 6x2] = 0 20x2 + 8 + [-21 * -1 + 6x2 * -1] = 0 20x2 + 8 + [21 + -6x2] = 0 Reorder the terms: 8 + 21 + 20x2 + -6x2 = 0 Combine like terms: 8 + 21 = 29 29 + 20x2 + -6x2 = 0 Combine like terms: 20x2 + -6x2 = 14x2 29 + 14x2 = 0 Solving 29 + 14x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-29' to each side of the equation. 29 + -29 + 14x2 = 0 + -29 Combine like terms: 29 + -29 = 0 0 + 14x2 = 0 + -29 14x2 = 0 + -29 Combine like terms: 0 + -29 = -29 14x2 = -29 Divide each side by '14'. x2 = -2.071428571 Simplifying x2 = -2.071428571 Reorder the terms: 2.071428571 + x2 = -2.071428571 + 2.071428571 Combine like terms: -2.071428571 + 2.071428571 = 0.000000000 2.071428571 + x2 = 0.000000000 The solution to this equation could not be determined.
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