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Simplifying X2 + -9x2 + 18 = 0 Reorder the terms: 18 + X2 + -9x2 = 0 Solving 18 + X2 + -9x2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + X2 + -18 + -9x2 = 0 + -18 Reorder the terms: 18 + -18 + X2 + -9x2 = 0 + -18 Combine like terms: 18 + -18 = 0 0 + X2 + -9x2 = 0 + -18 X2 + -9x2 = 0 + -18 Combine like terms: 0 + -18 = -18 X2 + -9x2 = -18 Add '9x2' to each side of the equation. X2 + -9x2 + 9x2 = -18 + 9x2 Combine like terms: -9x2 + 9x2 = 0 X2 + 0 = -18 + 9x2 X2 = -18 + 9x2 Simplifying X2 = -18 + 9x2 Reorder the terms: 18 + X2 + -9x2 = -18 + 9x2 + 18 + -9x2 Reorder the terms: 18 + X2 + -9x2 = -18 + 18 + 9x2 + -9x2 Combine like terms: -18 + 18 = 0 18 + X2 + -9x2 = 0 + 9x2 + -9x2 18 + X2 + -9x2 = 9x2 + -9x2 Combine like terms: 9x2 + -9x2 = 0 18 + X2 + -9x2 = 0 The solution to this equation could not be determined.
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