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Simplifying 15x2 + 2 + -1[2(x2 + -4) + 6] = 0 Reorder the terms: 15x2 + 2 + -1[2(-4 + x2) + 6] = 0 15x2 + 2 + -1[(-4 * 2 + x2 * 2) + 6] = 0 15x2 + 2 + -1[(-8 + 2x2) + 6] = 0 Reorder the terms: 15x2 + 2 + -1[-8 + 6 + 2x2] = 0 Combine like terms: -8 + 6 = -2 15x2 + 2 + -1[-2 + 2x2] = 0 15x2 + 2 + [-2 * -1 + 2x2 * -1] = 0 15x2 + 2 + [2 + -2x2] = 0 Reorder the terms: 2 + 2 + 15x2 + -2x2 = 0 Combine like terms: 2 + 2 = 4 4 + 15x2 + -2x2 = 0 Combine like terms: 15x2 + -2x2 = 13x2 4 + 13x2 = 0 Solving 4 + 13x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + 13x2 = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 13x2 = 0 + -4 13x2 = 0 + -4 Combine like terms: 0 + -4 = -4 13x2 = -4 Divide each side by '13'. x2 = -0.3076923077 Simplifying x2 = -0.3076923077 Reorder the terms: 0.3076923077 + x2 = -0.3076923077 + 0.3076923077 Combine like terms: -0.3076923077 + 0.3076923077 = 0.0000000000 0.3076923077 + x2 = 0.0000000000 The solution to this equation could not be determined.
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