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Simplifying 13x2 + 1 + -1[7(x2 + -8) + 5] = 0 Reorder the terms: 13x2 + 1 + -1[7(-8 + x2) + 5] = 0 13x2 + 1 + -1[(-8 * 7 + x2 * 7) + 5] = 0 13x2 + 1 + -1[(-56 + 7x2) + 5] = 0 Reorder the terms: 13x2 + 1 + -1[-56 + 5 + 7x2] = 0 Combine like terms: -56 + 5 = -51 13x2 + 1 + -1[-51 + 7x2] = 0 13x2 + 1 + [-51 * -1 + 7x2 * -1] = 0 13x2 + 1 + [51 + -7x2] = 0 Reorder the terms: 1 + 51 + 13x2 + -7x2 = 0 Combine like terms: 1 + 51 = 52 52 + 13x2 + -7x2 = 0 Combine like terms: 13x2 + -7x2 = 6x2 52 + 6x2 = 0 Solving 52 + 6x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-52' to each side of the equation. 52 + -52 + 6x2 = 0 + -52 Combine like terms: 52 + -52 = 0 0 + 6x2 = 0 + -52 6x2 = 0 + -52 Combine like terms: 0 + -52 = -52 6x2 = -52 Divide each side by '6'. x2 = -8.666666667 Simplifying x2 = -8.666666667 Reorder the terms: 8.666666667 + x2 = -8.666666667 + 8.666666667 Combine like terms: -8.666666667 + 8.666666667 = 0.000000000 8.666666667 + x2 = 0.000000000 The solution to this equation could not be determined.
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