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Simplifying 16x2 + -25x + 82 = 0 Reorder the terms: 82 + -25x + 16x2 = 0 Solving 82 + -25x + 16x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 16 the coefficient of the squared term: Divide each side by '16'. 5.125 + -1.5625x + x2 = 0 Move the constant term to the right: Add '-5.125' to each side of the equation. 5.125 + -1.5625x + -5.125 + x2 = 0 + -5.125 Reorder the terms: 5.125 + -5.125 + -1.5625x + x2 = 0 + -5.125 Combine like terms: 5.125 + -5.125 = 0.000 0.000 + -1.5625x + x2 = 0 + -5.125 -1.5625x + x2 = 0 + -5.125 Combine like terms: 0 + -5.125 = -5.125 -1.5625x + x2 = -5.125 The x term is -1.5625x. Take half its coefficient (-0.78125). Square it (0.6103515625) and add it to both sides. Add '0.6103515625' to each side of the equation. -1.5625x + 0.6103515625 + x2 = -5.125 + 0.6103515625 Reorder the terms: 0.6103515625 + -1.5625x + x2 = -5.125 + 0.6103515625 Combine like terms: -5.125 + 0.6103515625 = -4.5146484375 0.6103515625 + -1.5625x + x2 = -4.5146484375 Factor a perfect square on the left side: (x + -0.78125)(x + -0.78125) = -4.5146484375 Can't calculate square root of the right side. The solution to this equation could not be determined.
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