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Simplifying x2 + -140x + 5700 = 0 Reorder the terms: 5700 + -140x + x2 = 0 Solving 5700 + -140x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-5700' to each side of the equation. 5700 + -140x + -5700 + x2 = 0 + -5700 Reorder the terms: 5700 + -5700 + -140x + x2 = 0 + -5700 Combine like terms: 5700 + -5700 = 0 0 + -140x + x2 = 0 + -5700 -140x + x2 = 0 + -5700 Combine like terms: 0 + -5700 = -5700 -140x + x2 = -5700 The x term is -140x. Take half its coefficient (-70). Square it (4900) and add it to both sides. Add '4900' to each side of the equation. -140x + 4900 + x2 = -5700 + 4900 Reorder the terms: 4900 + -140x + x2 = -5700 + 4900 Combine like terms: -5700 + 4900 = -800 4900 + -140x + x2 = -800 Factor a perfect square on the left side: (x + -70)(x + -70) = -800 Can't calculate square root of the right side. The solution to this equation could not be determined.
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