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Simplifying 4s + -13 = s2 Reorder the terms: -13 + 4s = s2 Solving -13 + 4s = s2 Solving for variable 's'. Combine like terms: s2 + -1s2 = 0 -13 + 4s + -1s2 = 0 Begin completing the square. Divide all terms by -1 the coefficient of the squared term: Divide each side by '-1'. 13 + -4s + s2 = 0 Move the constant term to the right: Add '-13' to each side of the equation. 13 + -4s + -13 + s2 = 0 + -13 Reorder the terms: 13 + -13 + -4s + s2 = 0 + -13 Combine like terms: 13 + -13 = 0 0 + -4s + s2 = 0 + -13 -4s + s2 = 0 + -13 Combine like terms: 0 + -13 = -13 -4s + s2 = -13 The s term is -4s. Take half its coefficient (-2). Square it (4) and add it to both sides. Add '4' to each side of the equation. -4s + 4 + s2 = -13 + 4 Reorder the terms: 4 + -4s + s2 = -13 + 4 Combine like terms: -13 + 4 = -9 4 + -4s + s2 = -9 Factor a perfect square on the left side: (s + -2)(s + -2) = -9 Can't calculate square root of the right side. The solution to this equation could not be determined.
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