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Simplifying 15x2 + 5 + -1[4(x2 + -2) + 6] = 0 Reorder the terms: 15x2 + 5 + -1[4(-2 + x2) + 6] = 0 15x2 + 5 + -1[(-2 * 4 + x2 * 4) + 6] = 0 15x2 + 5 + -1[(-8 + 4x2) + 6] = 0 Reorder the terms: 15x2 + 5 + -1[-8 + 6 + 4x2] = 0 Combine like terms: -8 + 6 = -2 15x2 + 5 + -1[-2 + 4x2] = 0 15x2 + 5 + [-2 * -1 + 4x2 * -1] = 0 15x2 + 5 + [2 + -4x2] = 0 Reorder the terms: 5 + 2 + 15x2 + -4x2 = 0 Combine like terms: 5 + 2 = 7 7 + 15x2 + -4x2 = 0 Combine like terms: 15x2 + -4x2 = 11x2 7 + 11x2 = 0 Solving 7 + 11x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + 11x2 = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 11x2 = 0 + -7 11x2 = 0 + -7 Combine like terms: 0 + -7 = -7 11x2 = -7 Divide each side by '11'. x2 = -0.6363636364 Simplifying x2 = -0.6363636364 Reorder the terms: 0.6363636364 + x2 = -0.6363636364 + 0.6363636364 Combine like terms: -0.6363636364 + 0.6363636364 = 0.0000000000 0.6363636364 + x2 = 0.0000000000 The solution to this equation could not be determined.
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