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Simplifying 3x2 + 9 = -81 Reorder the terms: 9 + 3x2 = -81 Solving 9 + 3x2 = -81 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 3x2 = -81 + -9 Combine like terms: 9 + -9 = 0 0 + 3x2 = -81 + -9 3x2 = -81 + -9 Combine like terms: -81 + -9 = -90 3x2 = -90 Divide each side by '3'. x2 = -30 Simplifying x2 = -30 Reorder the terms: 30 + x2 = -30 + 30 Combine like terms: -30 + 30 = 0 30 + x2 = 0 The solution to this equation could not be determined.
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