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Simplifying x2 + -130x + 4800 = 0 Reorder the terms: 4800 + -130x + x2 = 0 Solving 4800 + -130x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-4800' to each side of the equation. 4800 + -130x + -4800 + x2 = 0 + -4800 Reorder the terms: 4800 + -4800 + -130x + x2 = 0 + -4800 Combine like terms: 4800 + -4800 = 0 0 + -130x + x2 = 0 + -4800 -130x + x2 = 0 + -4800 Combine like terms: 0 + -4800 = -4800 -130x + x2 = -4800 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 = -4800 + 4225 Reorder the terms: 4225 + -130x + x2 = -4800 + 4225 Combine like terms: -4800 + 4225 = -575 4225 + -130x + x2 = -575 Factor a perfect square on the left side: (x + -65)(x + -65) = -575 Can't calculate square root of the right side. The solution to this equation could not be determined.
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