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Simplifying s2 + 2.008s + 12.81 = 0 Reorder the terms: 12.81 + 2.008s + s2 = 0 Solving 12.81 + 2.008s + s2 = 0 Solving for variable 's'. Begin completing the square. Move the constant term to the right: Add '-12.81' to each side of the equation. 12.81 + 2.008s + -12.81 + s2 = 0 + -12.81 Reorder the terms: 12.81 + -12.81 + 2.008s + s2 = 0 + -12.81 Combine like terms: 12.81 + -12.81 = 0.00 0.00 + 2.008s + s2 = 0 + -12.81 2.008s + s2 = 0 + -12.81 Combine like terms: 0 + -12.81 = -12.81 2.008s + s2 = -12.81 The s term is 2.008s. Take half its coefficient (1.004). Square it (1.008016) and add it to both sides. Add '1.008016' to each side of the equation. 2.008s + 1.008016 + s2 = -12.81 + 1.008016 Reorder the terms: 1.008016 + 2.008s + s2 = -12.81 + 1.008016 Combine like terms: -12.81 + 1.008016 = -11.801984 1.008016 + 2.008s + s2 = -11.801984 Factor a perfect square on the left side: (s + 1.004)(s + 1.004) = -11.801984 Can't calculate square root of the right side. The solution to this equation could not be determined.
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