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