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Simplifying x2 + x + -4 = -90000000000000 Reorder the terms: -4 + x + x2 = -90000000000000 Solving -4 + x + x2 = -90000000000000 Solving for variable 'x'. Reorder the terms: -4 + 90000000000000 + x + x2 = -90000000000000 + 90000000000000 Combine like terms: -4 + 90000000000000 = 89999999999996 89999999999996 + x + x2 = -90000000000000 + 90000000000000 Combine like terms: -90000000000000 + 90000000000000 = 0 89999999999996 + x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-89999999999996' to each side of the equation. 89999999999996 + x + -89999999999996 + x2 = 0 + -89999999999996 Reorder the terms: 89999999999996 + -89999999999996 + x + x2 = 0 + -89999999999996 Combine like terms: 89999999999996 + -89999999999996 = 0 0 + x + x2 = 0 + -89999999999996 x + x2 = 0 + -89999999999996 Combine like terms: 0 + -89999999999996 = -89999999999996 x + x2 = -89999999999996 The x term is x. Take half its coefficient (0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. x + 0.25 + x2 = -89999999999996 + 0.25 Reorder the terms: 0.25 + x + x2 = -89999999999996 + 0.25 Combine like terms: -89999999999996 + 0.25 = -89999999999995.75 0.25 + x + x2 = -89999999999995.75 Factor a perfect square on the left side: (x + 0.5)(x + 0.5) = -89999999999995.75 Can't calculate square root of the right side. The solution to this equation could not be determined.
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