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Simplifying X2 + -4x + -16 = 4 Reorder the terms: -16 + X2 + -4x = 4 Solving -16 + X2 + -4x = 4 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '16' to each side of the equation. -16 + X2 + 16 + -4x = 4 + 16 Reorder the terms: -16 + 16 + X2 + -4x = 4 + 16 Combine like terms: -16 + 16 = 0 0 + X2 + -4x = 4 + 16 X2 + -4x = 4 + 16 Combine like terms: 4 + 16 = 20 X2 + -4x = 20 Add '4x' to each side of the equation. X2 + -4x + 4x = 20 + 4x Combine like terms: -4x + 4x = 0 X2 + 0 = 20 + 4x X2 = 20 + 4x Simplifying X2 = 20 + 4x Reorder the terms: -20 + X2 + -4x = 20 + 4x + -20 + -4x Reorder the terms: -20 + X2 + -4x = 20 + -20 + 4x + -4x Combine like terms: 20 + -20 = 0 -20 + X2 + -4x = 0 + 4x + -4x -20 + X2 + -4x = 4x + -4x Combine like terms: 4x + -4x = 0 -20 + X2 + -4x = 0 The solution to this equation could not be determined.
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