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Simplifying 4x2 + 23x + 36 = 0 Reorder the terms: 36 + 23x + 4x2 = 0 Solving 36 + 23x + 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'. 9 + 5.75x + x2 = 0 Move the constant term to the right: Add '-9' to each side of the equation. 9 + 5.75x + -9 + x2 = 0 + -9 Reorder the terms: 9 + -9 + 5.75x + x2 = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 5.75x + x2 = 0 + -9 5.75x + x2 = 0 + -9 Combine like terms: 0 + -9 = -9 5.75x + x2 = -9 The x term is 5.75x. Take half its coefficient (2.875). Square it (8.265625) and add it to both sides. Add '8.265625' to each side of the equation. 5.75x + 8.265625 + x2 = -9 + 8.265625 Reorder the terms: 8.265625 + 5.75x + x2 = -9 + 8.265625 Combine like terms: -9 + 8.265625 = -0.734375 8.265625 + 5.75x + x2 = -0.734375 Factor a perfect square on the left side: (x + 2.875)(x + 2.875) = -0.734375 Can't calculate square root of the right side. The solution to this equation could not be determined.
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