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Simplifying X3 + -7x2 + 18x + 18 = 0 Reorder the terms: 18 + X3 + 18x + -7x2 = 0 Solving 18 + X3 + 18x + -7x2 = 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 + X3 + 18x + -18 + -7x2 = 0 + -18 Reorder the terms: 18 + -18 + X3 + 18x + -7x2 = 0 + -18 Combine like terms: 18 + -18 = 0 0 + X3 + 18x + -7x2 = 0 + -18 X3 + 18x + -7x2 = 0 + -18 Combine like terms: 0 + -18 = -18 X3 + 18x + -7x2 = -18 Add '-18x' to each side of the equation. X3 + 18x + -18x + -7x2 = -18 + -18x Combine like terms: 18x + -18x = 0 X3 + 0 + -7x2 = -18 + -18x X3 + -7x2 = -18 + -18x Add '7x2' to each side of the equation. X3 + -7x2 + 7x2 = -18 + -18x + 7x2 Combine like terms: -7x2 + 7x2 = 0 X3 + 0 = -18 + -18x + 7x2 X3 = -18 + -18x + 7x2 Simplifying X3 = -18 + -18x + 7x2 Reorder the terms: 18 + X3 + 18x + -7x2 = -18 + -18x + 7x2 + 18 + 18x + -7x2 Reorder the terms: 18 + X3 + 18x + -7x2 = -18 + 18 + -18x + 18x + 7x2 + -7x2 Combine like terms: -18 + 18 = 0 18 + X3 + 18x + -7x2 = 0 + -18x + 18x + 7x2 + -7x2 18 + X3 + 18x + -7x2 = -18x + 18x + 7x2 + -7x2 Combine like terms: -18x + 18x = 0 18 + X3 + 18x + -7x2 = 0 + 7x2 + -7x2 18 + X3 + 18x + -7x2 = 7x2 + -7x2 Combine like terms: 7x2 + -7x2 = 0 18 + X3 + 18x + -7x2 = 0 The solution to this equation could not be determined.
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