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Simplifying 64x2 + -16x + 441 = 0 Reorder the terms: 441 + -16x + 64x2 = 0 Solving 441 + -16x + 64x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 64 the coefficient of the squared term: Divide each side by '64'. 6.890625 + -0.25x + x2 = 0 Move the constant term to the right: Add '-6.890625' to each side of the equation. 6.890625 + -0.25x + -6.890625 + x2 = 0 + -6.890625 Reorder the terms: 6.890625 + -6.890625 + -0.25x + x2 = 0 + -6.890625 Combine like terms: 6.890625 + -6.890625 = 0.000000 0.000000 + -0.25x + x2 = 0 + -6.890625 -0.25x + x2 = 0 + -6.890625 Combine like terms: 0 + -6.890625 = -6.890625 -0.25x + x2 = -6.890625 The x term is -0.25x. Take half its coefficient (-0.125). Square it (0.015625) and add it to both sides. Add '0.015625' to each side of the equation. -0.25x + 0.015625 + x2 = -6.890625 + 0.015625 Reorder the terms: 0.015625 + -0.25x + x2 = -6.890625 + 0.015625 Combine like terms: -6.890625 + 0.015625 = -6.875 0.015625 + -0.25x + x2 = -6.875 Factor a perfect square on the left side: (x + -0.125)(x + -0.125) = -6.875 Can't calculate square root of the right side. The solution to this equation could not be determined.
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