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Simplifying 9x2 + 74 + 144 = 81 Reorder the terms: 74 + 144 + 9x2 = 81 Combine like terms: 74 + 144 = 218 218 + 9x2 = 81 Solving 218 + 9x2 = 81 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-218' to each side of the equation. 218 + -218 + 9x2 = 81 + -218 Combine like terms: 218 + -218 = 0 0 + 9x2 = 81 + -218 9x2 = 81 + -218 Combine like terms: 81 + -218 = -137 9x2 = -137 Divide each side by '9'. x2 = -15.22222222 Simplifying x2 = -15.22222222 Reorder the terms: 15.22222222 + x2 = -15.22222222 + 15.22222222 Combine like terms: -15.22222222 + 15.22222222 = 0.00000000 15.22222222 + x2 = 0.00000000 The solution to this equation could not be determined.
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