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Simplifying 9x2 + 18 = 5x2 Reorder the terms: 18 + 9x2 = 5x2 Solving 18 + 9x2 = 5x2 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5x2' to each side of the equation. 18 + 9x2 + -5x2 = 5x2 + -5x2 Combine like terms: 9x2 + -5x2 = 4x2 18 + 4x2 = 5x2 + -5x2 Combine like terms: 5x2 + -5x2 = 0 18 + 4x2 = 0 Add '-18' to each side of the equation. 18 + -18 + 4x2 = 0 + -18 Combine like terms: 18 + -18 = 0 0 + 4x2 = 0 + -18 4x2 = 0 + -18 Combine like terms: 0 + -18 = -18 4x2 = -18 Divide each side by '4'. x2 = -4.5 Simplifying x2 = -4.5 Reorder the terms: 4.5 + x2 = -4.5 + 4.5 Combine like terms: -4.5 + 4.5 = 0.0 4.5 + x2 = 0.0 The solution to this equation could not be determined.
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