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Simplifying 16s2 + 5s = -49 Reorder the terms: 5s + 16s2 = -49 Solving 5s + 16s2 = -49 Solving for variable 's'. Reorder the terms: 49 + 5s + 16s2 = -49 + 49 Combine like terms: -49 + 49 = 0 49 + 5s + 16s2 = 0 Begin completing the square. Divide all terms by 16 the coefficient of the squared term: Divide each side by '16'. 3.0625 + 0.3125s + s2 = 0 Move the constant term to the right: Add '-3.0625' to each side of the equation. 3.0625 + 0.3125s + -3.0625 + s2 = 0 + -3.0625 Reorder the terms: 3.0625 + -3.0625 + 0.3125s + s2 = 0 + -3.0625 Combine like terms: 3.0625 + -3.0625 = 0.0000 0.0000 + 0.3125s + s2 = 0 + -3.0625 0.3125s + s2 = 0 + -3.0625 Combine like terms: 0 + -3.0625 = -3.0625 0.3125s + s2 = -3.0625 The s term is 0.3125s. Take half its coefficient (0.15625). Square it (0.0244140625) and add it to both sides. Add '0.0244140625' to each side of the equation. 0.3125s + 0.0244140625 + s2 = -3.0625 + 0.0244140625 Reorder the terms: 0.0244140625 + 0.3125s + s2 = -3.0625 + 0.0244140625 Combine like terms: -3.0625 + 0.0244140625 = -3.0380859375 0.0244140625 + 0.3125s + s2 = -3.0380859375 Factor a perfect square on the left side: (s + 0.15625)(s + 0.15625) = -3.0380859375 Can't calculate square root of the right side. The solution to this equation could not be determined.
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