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Simplifying 15x2 + 5 + -1[5(x2 + -5) + 8] = 0 Reorder the terms: 15x2 + 5 + -1[5(-5 + x2) + 8] = 0 15x2 + 5 + -1[(-5 * 5 + x2 * 5) + 8] = 0 15x2 + 5 + -1[(-25 + 5x2) + 8] = 0 Reorder the terms: 15x2 + 5 + -1[-25 + 8 + 5x2] = 0 Combine like terms: -25 + 8 = -17 15x2 + 5 + -1[-17 + 5x2] = 0 15x2 + 5 + [-17 * -1 + 5x2 * -1] = 0 15x2 + 5 + [17 + -5x2] = 0 Reorder the terms: 5 + 17 + 15x2 + -5x2 = 0 Combine like terms: 5 + 17 = 22 22 + 15x2 + -5x2 = 0 Combine like terms: 15x2 + -5x2 = 10x2 22 + 10x2 = 0 Solving 22 + 10x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-22' to each side of the equation. 22 + -22 + 10x2 = 0 + -22 Combine like terms: 22 + -22 = 0 0 + 10x2 = 0 + -22 10x2 = 0 + -22 Combine like terms: 0 + -22 = -22 10x2 = -22 Divide each side by '10'. x2 = -2.2 Simplifying x2 = -2.2 Reorder the terms: 2.2 + x2 = -2.2 + 2.2 Combine like terms: -2.2 + 2.2 = 0.0 2.2 + x2 = 0.0 The solution to this equation could not be determined.
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