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Simplifying 2x2 + 42 + 216 = 0 Reorder the terms: 42 + 216 + 2x2 = 0 Combine like terms: 42 + 216 = 258 258 + 2x2 = 0 Solving 258 + 2x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-258' to each side of the equation. 258 + -258 + 2x2 = 0 + -258 Combine like terms: 258 + -258 = 0 0 + 2x2 = 0 + -258 2x2 = 0 + -258 Combine like terms: 0 + -258 = -258 2x2 = -258 Divide each side by '2'. x2 = -129 Simplifying x2 = -129 Reorder the terms: 129 + x2 = -129 + 129 Combine like terms: -129 + 129 = 0 129 + x2 = 0 The solution to this equation could not be determined.
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