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Simplifying x2 + 230x + 21000 = 0 Reorder the terms: 21000 + 230x + x2 = 0 Solving 21000 + 230x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-21000' to each side of the equation. 21000 + 230x + -21000 + x2 = 0 + -21000 Reorder the terms: 21000 + -21000 + 230x + x2 = 0 + -21000 Combine like terms: 21000 + -21000 = 0 0 + 230x + x2 = 0 + -21000 230x + x2 = 0 + -21000 Combine like terms: 0 + -21000 = -21000 230x + x2 = -21000 The x term is 230x. Take half its coefficient (115). Square it (13225) and add it to both sides. Add '13225' to each side of the equation. 230x + 13225 + x2 = -21000 + 13225 Reorder the terms: 13225 + 230x + x2 = -21000 + 13225 Combine like terms: -21000 + 13225 = -7775 13225 + 230x + x2 = -7775 Factor a perfect square on the left side: (x + 115)(x + 115) = -7775 Can't calculate square root of the right side. The solution to this equation could not be determined.
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