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Simplifying s2 + -6s + 169 = 0 Reorder the terms: 169 + -6s + s2 = 0 Solving 169 + -6s + s2 = 0 Solving for variable 's'. Begin completing the square. Move the constant term to the right: Add '-169' to each side of the equation. 169 + -6s + -169 + s2 = 0 + -169 Reorder the terms: 169 + -169 + -6s + s2 = 0 + -169 Combine like terms: 169 + -169 = 0 0 + -6s + s2 = 0 + -169 -6s + s2 = 0 + -169 Combine like terms: 0 + -169 = -169 -6s + s2 = -169 The s term is -6s. Take half its coefficient (-3). Square it (9) and add it to both sides. Add '9' to each side of the equation. -6s + 9 + s2 = -169 + 9 Reorder the terms: 9 + -6s + s2 = -169 + 9 Combine like terms: -169 + 9 = -160 9 + -6s + s2 = -160 Factor a perfect square on the left side: (s + -3)(s + -3) = -160 Can't calculate square root of the right side. The solution to this equation could not be determined.
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