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Simplifying X2 + mx + -2x = -9 Solving X2 + mx + -2x = -9 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-1mx' to each side of the equation. X2 + mx + -1mx + -2x = -9 + -1mx Combine like terms: mx + -1mx = 0 X2 + 0 + -2x = -9 + -1mx X2 + -2x = -9 + -1mx Add '2x' to each side of the equation. X2 + -2x + 2x = -9 + -1mx + 2x Combine like terms: -2x + 2x = 0 X2 + 0 = -9 + -1mx + 2x X2 = -9 + -1mx + 2x Simplifying X2 = -9 + -1mx + 2x Reorder the terms: 9 + X2 + mx + -2x = -9 + -1mx + 2x + 9 + mx + -2x Reorder the terms: 9 + X2 + mx + -2x = -9 + 9 + -1mx + mx + 2x + -2x Combine like terms: -9 + 9 = 0 9 + X2 + mx + -2x = 0 + -1mx + mx + 2x + -2x 9 + X2 + mx + -2x = -1mx + mx + 2x + -2x Combine like terms: -1mx + mx = 0 9 + X2 + mx + -2x = 0 + 2x + -2x 9 + X2 + mx + -2x = 2x + -2x Combine like terms: 2x + -2x = 0 9 + X2 + mx + -2x = 0 The solution to this equation could not be determined.
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