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Simplifying -2x2 + -18 = 306 Reorder the terms: -18 + -2x2 = 306 Solving -18 + -2x2 = 306 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '18' to each side of the equation. -18 + 18 + -2x2 = 306 + 18 Combine like terms: -18 + 18 = 0 0 + -2x2 = 306 + 18 -2x2 = 306 + 18 Combine like terms: 306 + 18 = 324 -2x2 = 324 Divide each side by '-2'. x2 = -162 Simplifying x2 = -162 Reorder the terms: 162 + x2 = -162 + 162 Combine like terms: -162 + 162 = 0 162 + x2 = 0 The solution to this equation could not be determined.
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