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Simplifying x2 + -2x2 + -15 = 0 Reorder the terms: -15 + x2 + -2x2 = 0 Combine like terms: x2 + -2x2 = -1x2 -15 + -1x2 = 0 Solving -15 + -1x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '15' to each side of the equation. -15 + 15 + -1x2 = 0 + 15 Combine like terms: -15 + 15 = 0 0 + -1x2 = 0 + 15 -1x2 = 0 + 15 Combine like terms: 0 + 15 = 15 -1x2 = 15 Divide each side by '-1'. x2 = -15 Simplifying x2 = -15 Reorder the terms: 15 + x2 = -15 + 15 Combine like terms: -15 + 15 = 0 15 + x2 = 0 The solution to this equation could not be determined.
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