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Simplifying (X2 + -2x + 1) + -1(-5x2 + 4x + -1) = 0 Reorder the terms: (1 + X2 + -2x) + -1(-5x2 + 4x + -1) = 0 Remove parenthesis around (1 + X2 + -2x) 1 + X2 + -2x + -1(-5x2 + 4x + -1) = 0 Reorder the terms: 1 + X2 + -2x + -1(-1 + 4x + -5x2) = 0 1 + X2 + -2x + (-1 * -1 + 4x * -1 + -5x2 * -1) = 0 1 + X2 + -2x + (1 + -4x + 5x2) = 0 Reorder the terms: 1 + 1 + X2 + -2x + -4x + 5x2 = 0 Combine like terms: 1 + 1 = 2 2 + X2 + -2x + -4x + 5x2 = 0 Combine like terms: -2x + -4x = -6x 2 + X2 + -6x + 5x2 = 0 Solving 2 + X2 + -6x + 5x2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + X2 + -6x + -2 + 5x2 = 0 + -2 Reorder the terms: 2 + -2 + X2 + -6x + 5x2 = 0 + -2 Combine like terms: 2 + -2 = 0 0 + X2 + -6x + 5x2 = 0 + -2 X2 + -6x + 5x2 = 0 + -2 Combine like terms: 0 + -2 = -2 X2 + -6x + 5x2 = -2 Add '6x' to each side of the equation. X2 + -6x + 6x + 5x2 = -2 + 6x Combine like terms: -6x + 6x = 0 X2 + 0 + 5x2 = -2 + 6x X2 + 5x2 = -2 + 6x Add '-5x2' to each side of the equation. X2 + 5x2 + -5x2 = -2 + 6x + -5x2 Combine like terms: 5x2 + -5x2 = 0 X2 + 0 = -2 + 6x + -5x2 X2 = -2 + 6x + -5x2 Simplifying X2 = -2 + 6x + -5x2 Reorder the terms: 2 + X2 + -6x + 5x2 = -2 + 6x + -5x2 + 2 + -6x + 5x2 Reorder the terms: 2 + X2 + -6x + 5x2 = -2 + 2 + 6x + -6x + -5x2 + 5x2 Combine like terms: -2 + 2 = 0 2 + X2 + -6x + 5x2 = 0 + 6x + -6x + -5x2 + 5x2 2 + X2 + -6x + 5x2 = 6x + -6x + -5x2 + 5x2 Combine like terms: 6x + -6x = 0 2 + X2 + -6x + 5x2 = 0 + -5x2 + 5x2 2 + X2 + -6x + 5x2 = -5x2 + 5x2 Combine like terms: -5x2 + 5x2 = 0 2 + X2 + -6x + 5x2 = 0 The solution to this equation could not be determined.