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Simplifying x2 + -130x + 5500 = 0 Reorder the terms: 5500 + -130x + x2 = 0 Solving 5500 + -130x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-5500' to each side of the equation. 5500 + -130x + -5500 + x2 = 0 + -5500 Reorder the terms: 5500 + -5500 + -130x + x2 = 0 + -5500 Combine like terms: 5500 + -5500 = 0 0 + -130x + x2 = 0 + -5500 -130x + x2 = 0 + -5500 Combine like terms: 0 + -5500 = -5500 -130x + x2 = -5500 The x term is -130x. Take half its coefficient (-65). Square it (4225) and add it to both sides. Add '4225' to each side of the equation. -130x + 4225 + x2 = -5500 + 4225 Reorder the terms: 4225 + -130x + x2 = -5500 + 4225 Combine like terms: -5500 + 4225 = -1275 4225 + -130x + x2 = -1275 Factor a perfect square on the left side: (x + -65)(x + -65) = -1275 Can't calculate square root of the right side. The solution to this equation could not be determined.
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