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Simplifying 2x + 234 + -4x2 = 769 Reorder the terms: 234 + 2x + -4x2 = 769 Solving 234 + 2x + -4x2 = 769 Solving for variable 'x'. Reorder the terms: 234 + -769 + 2x + -4x2 = 769 + -769 Combine like terms: 234 + -769 = -535 -535 + 2x + -4x2 = 769 + -769 Combine like terms: 769 + -769 = 0 -535 + 2x + -4x2 = 0 Begin completing the square. Divide all terms by -4 the coefficient of the squared term: Divide each side by '-4'. 133.75 + -0.5x + x2 = 0 Move the constant term to the right: Add '-133.75' to each side of the equation. 133.75 + -0.5x + -133.75 + x2 = 0 + -133.75 Reorder the terms: 133.75 + -133.75 + -0.5x + x2 = 0 + -133.75 Combine like terms: 133.75 + -133.75 = 0.00 0.00 + -0.5x + x2 = 0 + -133.75 -0.5x + x2 = 0 + -133.75 Combine like terms: 0 + -133.75 = -133.75 -0.5x + x2 = -133.75 The x term is -0.5x. Take half its coefficient (-0.25). Square it (0.0625) and add it to both sides. Add '0.0625' to each side of the equation. -0.5x + 0.0625 + x2 = -133.75 + 0.0625 Reorder the terms: 0.0625 + -0.5x + x2 = -133.75 + 0.0625 Combine like terms: -133.75 + 0.0625 = -133.6875 0.0625 + -0.5x + x2 = -133.6875 Factor a perfect square on the left side: (x + -0.25)(x + -0.25) = -133.6875 Can't calculate square root of the right side. The solution to this equation could not be determined.
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