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Simplifying X2 + -2000X + 5555566 = 0 Reorder the terms: 5555566 + -2000X + X2 = 0 Solving 5555566 + -2000X + X2 = 0 Solving for variable 'X'. Begin completing the square. Move the constant term to the right: Add '-5555566' to each side of the equation. 5555566 + -2000X + -5555566 + X2 = 0 + -5555566 Reorder the terms: 5555566 + -5555566 + -2000X + X2 = 0 + -5555566 Combine like terms: 5555566 + -5555566 = 0 0 + -2000X + X2 = 0 + -5555566 -2000X + X2 = 0 + -5555566 Combine like terms: 0 + -5555566 = -5555566 -2000X + X2 = -5555566 The X term is -2000X. Take half its coefficient (-1000). Square it (1000000) and add it to both sides. Add '1000000' to each side of the equation. -2000X + 1000000 + X2 = -5555566 + 1000000 Reorder the terms: 1000000 + -2000X + X2 = -5555566 + 1000000 Combine like terms: -5555566 + 1000000 = -4555566 1000000 + -2000X + X2 = -4555566 Factor a perfect square on the left side: (X + -1000)(X + -1000) = -4555566 Can't calculate square root of the right side. The solution to this equation could not be determined.
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