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Simplifying x2 + -54x + 864 = 0 Reorder the terms: 864 + -54x + x2 = 0 Solving 864 + -54x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-864' to each side of the equation. 864 + -54x + -864 + x2 = 0 + -864 Reorder the terms: 864 + -864 + -54x + x2 = 0 + -864 Combine like terms: 864 + -864 = 0 0 + -54x + x2 = 0 + -864 -54x + x2 = 0 + -864 Combine like terms: 0 + -864 = -864 -54x + x2 = -864 The x term is -54x. Take half its coefficient (-27). Square it (729) and add it to both sides. Add '729' to each side of the equation. -54x + 729 + x2 = -864 + 729 Reorder the terms: 729 + -54x + x2 = -864 + 729 Combine like terms: -864 + 729 = -135 729 + -54x + x2 = -135 Factor a perfect square on the left side: (x + -27)(x + -27) = -135 Can't calculate square root of the right side. The solution to this equation could not be determined.
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