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Simplifying 64s2 + 36s = -81 Reorder the terms: 36s + 64s2 = -81 Solving 36s + 64s2 = -81 Solving for variable 's'. Reorder the terms: 81 + 36s + 64s2 = -81 + 81 Combine like terms: -81 + 81 = 0 81 + 36s + 64s2 = 0 Begin completing the square. Divide all terms by 64 the coefficient of the squared term: Divide each side by '64'. 1.265625 + 0.5625s + s2 = 0 Move the constant term to the right: Add '-1.265625' to each side of the equation. 1.265625 + 0.5625s + -1.265625 + s2 = 0 + -1.265625 Reorder the terms: 1.265625 + -1.265625 + 0.5625s + s2 = 0 + -1.265625 Combine like terms: 1.265625 + -1.265625 = 0.000000 0.000000 + 0.5625s + s2 = 0 + -1.265625 0.5625s + s2 = 0 + -1.265625 Combine like terms: 0 + -1.265625 = -1.265625 0.5625s + s2 = -1.265625 The s term is 0.5625s. Take half its coefficient (0.28125). Square it (0.0791015625) and add it to both sides. Add '0.0791015625' to each side of the equation. 0.5625s + 0.0791015625 + s2 = -1.265625 + 0.0791015625 Reorder the terms: 0.0791015625 + 0.5625s + s2 = -1.265625 + 0.0791015625 Combine like terms: -1.265625 + 0.0791015625 = -1.1865234375 0.0791015625 + 0.5625s + s2 = -1.1865234375 Factor a perfect square on the left side: (s + 0.28125)(s + 0.28125) = -1.1865234375 Can't calculate square root of the right side. The solution to this equation could not be determined.
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