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Simplifying s2 + s = 4 Reorder the terms: s + s2 = 4 Solving s + s2 = 4 Solving for variable 's'. Reorder the terms: -4 + s + s2 = 4 + -4 Combine like terms: 4 + -4 = 0 -4 + s + s2 = 0 Begin completing the square. Move the constant term to the right: Add '4' to each side of the equation. -4 + s + 4 + s2 = 0 + 4 Reorder the terms: -4 + 4 + s + s2 = 0 + 4 Combine like terms: -4 + 4 = 0 0 + s + s2 = 0 + 4 s + s2 = 0 + 4 Combine like terms: 0 + 4 = 4 s + s2 = 4 The s term is s. Take half its coefficient (0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. s + 0.25 + s2 = 4 + 0.25 Reorder the terms: 0.25 + s + s2 = 4 + 0.25 Combine like terms: 4 + 0.25 = 4.25 0.25 + s + s2 = 4.25 Factor a perfect square on the left side: (s + 0.5)(s + 0.5) = 4.25 Calculate the square root of the right side: 2.061552813 Break this problem into two subproblems by setting (s + 0.5) equal to 2.061552813 and -2.061552813.Subproblem 1
s + 0.5 = 2.061552813 Simplifying s + 0.5 = 2.061552813 Reorder the terms: 0.5 + s = 2.061552813 Solving 0.5 + s = 2.061552813 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + s = 2.061552813 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + s = 2.061552813 + -0.5 s = 2.061552813 + -0.5 Combine like terms: 2.061552813 + -0.5 = 1.561552813 s = 1.561552813 Simplifying s = 1.561552813Subproblem 2
s + 0.5 = -2.061552813 Simplifying s + 0.5 = -2.061552813 Reorder the terms: 0.5 + s = -2.061552813 Solving 0.5 + s = -2.061552813 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + s = -2.061552813 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + s = -2.061552813 + -0.5 s = -2.061552813 + -0.5 Combine like terms: -2.061552813 + -0.5 = -2.561552813 s = -2.561552813 Simplifying s = -2.561552813Solution
The solution to the problem is based on the solutions from the subproblems. s = {1.561552813, -2.561552813}
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