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Simplifying (X2 + 15x + 13) + 3x2 + -15x + 7 = 0 Reorder the terms: (13 + X2 + 15x) + 3x2 + -15x + 7 = 0 Remove parenthesis around (13 + X2 + 15x) 13 + X2 + 15x + 3x2 + -15x + 7 = 0 Reorder the terms: 13 + 7 + X2 + 15x + -15x + 3x2 = 0 Combine like terms: 13 + 7 = 20 20 + X2 + 15x + -15x + 3x2 = 0 Combine like terms: 15x + -15x = 0 20 + X2 + 0 + 3x2 = 0 20 + X2 + 3x2 = 0 Solving 20 + X2 + 3x2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-20' to each side of the equation. 20 + X2 + -20 + 3x2 = 0 + -20 Reorder the terms: 20 + -20 + X2 + 3x2 = 0 + -20 Combine like terms: 20 + -20 = 0 0 + X2 + 3x2 = 0 + -20 X2 + 3x2 = 0 + -20 Combine like terms: 0 + -20 = -20 X2 + 3x2 = -20 Add '-3x2' to each side of the equation. X2 + 3x2 + -3x2 = -20 + -3x2 Combine like terms: 3x2 + -3x2 = 0 X2 + 0 = -20 + -3x2 X2 = -20 + -3x2 Simplifying X2 = -20 + -3x2 Reorder the terms: 20 + X2 + 3x2 = -20 + -3x2 + 20 + 3x2 Reorder the terms: 20 + X2 + 3x2 = -20 + 20 + -3x2 + 3x2 Combine like terms: -20 + 20 = 0 20 + X2 + 3x2 = 0 + -3x2 + 3x2 20 + X2 + 3x2 = -3x2 + 3x2 Combine like terms: -3x2 + 3x2 = 0 20 + X2 + 3x2 = 0 The solution to this equation could not be determined.
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