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Simplifying X2 + 18x + 81 = 21 Reorder the terms: 81 + X2 + 18x = 21 Solving 81 + X2 + 18x = 21 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-81' to each side of the equation. 81 + X2 + -81 + 18x = 21 + -81 Reorder the terms: 81 + -81 + X2 + 18x = 21 + -81 Combine like terms: 81 + -81 = 0 0 + X2 + 18x = 21 + -81 X2 + 18x = 21 + -81 Combine like terms: 21 + -81 = -60 X2 + 18x = -60 Add '-18x' to each side of the equation. X2 + 18x + -18x = -60 + -18x Combine like terms: 18x + -18x = 0 X2 + 0 = -60 + -18x X2 = -60 + -18x Simplifying X2 = -60 + -18x Reorder the terms: 60 + X2 + 18x = -60 + -18x + 60 + 18x Reorder the terms: 60 + X2 + 18x = -60 + 60 + -18x + 18x Combine like terms: -60 + 60 = 0 60 + X2 + 18x = 0 + -18x + 18x 60 + X2 + 18x = -18x + 18x Combine like terms: -18x + 18x = 0 60 + X2 + 18x = 0 The solution to this equation could not be determined.
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