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Simplifying 4x2 + 17x + 23 = 0 Reorder the terms: 23 + 17x + 4x2 = 0 Solving 23 + 17x + 4x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. 5.75 + 4.25x + x2 = 0 Move the constant term to the right: Add '-5.75' to each side of the equation. 5.75 + 4.25x + -5.75 + x2 = 0 + -5.75 Reorder the terms: 5.75 + -5.75 + 4.25x + x2 = 0 + -5.75 Combine like terms: 5.75 + -5.75 = 0.00 0.00 + 4.25x + x2 = 0 + -5.75 4.25x + x2 = 0 + -5.75 Combine like terms: 0 + -5.75 = -5.75 4.25x + x2 = -5.75 The x term is 4.25x. Take half its coefficient (2.125). Square it (4.515625) and add it to both sides. Add '4.515625' to each side of the equation. 4.25x + 4.515625 + x2 = -5.75 + 4.515625 Reorder the terms: 4.515625 + 4.25x + x2 = -5.75 + 4.515625 Combine like terms: -5.75 + 4.515625 = -1.234375 4.515625 + 4.25x + x2 = -1.234375 Factor a perfect square on the left side: (x + 2.125)(x + 2.125) = -1.234375 Can't calculate square root of the right side. The solution to this equation could not be determined.
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