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Simplifying x2 + 216 = x2 Reorder the terms: 216 + x2 = x2 Add '-1x2' to each side of the equation. 216 + x2 + -1x2 = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 216 + 0 = x2 + -1x2 216 = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 216 = 0 Solving 216 = 0 Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.
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