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Simplifying 18x2 + 4 + -1[6(x2 + -2) + 5] = 0 Reorder the terms: 18x2 + 4 + -1[6(-2 + x2) + 5] = 0 18x2 + 4 + -1[(-2 * 6 + x2 * 6) + 5] = 0 18x2 + 4 + -1[(-12 + 6x2) + 5] = 0 Reorder the terms: 18x2 + 4 + -1[-12 + 5 + 6x2] = 0 Combine like terms: -12 + 5 = -7 18x2 + 4 + -1[-7 + 6x2] = 0 18x2 + 4 + [-7 * -1 + 6x2 * -1] = 0 18x2 + 4 + [7 + -6x2] = 0 Reorder the terms: 4 + 7 + 18x2 + -6x2 = 0 Combine like terms: 4 + 7 = 11 11 + 18x2 + -6x2 = 0 Combine like terms: 18x2 + -6x2 = 12x2 11 + 12x2 = 0 Solving 11 + 12x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + 12x2 = 0 + -11 Combine like terms: 11 + -11 = 0 0 + 12x2 = 0 + -11 12x2 = 0 + -11 Combine like terms: 0 + -11 = -11 12x2 = -11 Divide each side by '12'. x2 = -0.9166666667 Simplifying x2 = -0.9166666667 Reorder the terms: 0.9166666667 + x2 = -0.9166666667 + 0.9166666667 Combine like terms: -0.9166666667 + 0.9166666667 = 0.0000000000 0.9166666667 + x2 = 0.0000000000 The solution to this equation could not be determined.
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