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Simplifying x2 + -1600x + 890000 = 0 Reorder the terms: 890000 + -1600x + x2 = 0 Solving 890000 + -1600x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-890000' to each side of the equation. 890000 + -1600x + -890000 + x2 = 0 + -890000 Reorder the terms: 890000 + -890000 + -1600x + x2 = 0 + -890000 Combine like terms: 890000 + -890000 = 0 0 + -1600x + x2 = 0 + -890000 -1600x + x2 = 0 + -890000 Combine like terms: 0 + -890000 = -890000 -1600x + x2 = -890000 The x term is -1600x. Take half its coefficient (-800). Square it (640000) and add it to both sides. Add '640000' to each side of the equation. -1600x + 640000 + x2 = -890000 + 640000 Reorder the terms: 640000 + -1600x + x2 = -890000 + 640000 Combine like terms: -890000 + 640000 = -250000 640000 + -1600x + x2 = -250000 Factor a perfect square on the left side: (x + -800)(x + -800) = -250000 Can't calculate square root of the right side. The solution to this equation could not be determined.
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