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Simplifying 2s2 + -6s + 2 = 0 Reorder the terms: 2 + -6s + 2s2 = 0 Solving 2 + -6s + 2s2 = 0 Solving for variable 's'. Factor out the Greatest Common Factor (GCF), '2'. 2(1 + -3s + s2) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(1 + -3s + s2)' equal to zero and attempt to solve: Simplifying 1 + -3s + s2 = 0 Solving 1 + -3s + s2 = 0 Begin completing the square. Move the constant term to the right: Add '-1' to each side of the equation. 1 + -3s + -1 + s2 = 0 + -1 Reorder the terms: 1 + -1 + -3s + s2 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -3s + s2 = 0 + -1 -3s + s2 = 0 + -1 Combine like terms: 0 + -1 = -1 -3s + s2 = -1 The s term is -3s. Take half its coefficient (-1.5). Square it (2.25) and add it to both sides. Add '2.25' to each side of the equation. -3s + 2.25 + s2 = -1 + 2.25 Reorder the terms: 2.25 + -3s + s2 = -1 + 2.25 Combine like terms: -1 + 2.25 = 1.25 2.25 + -3s + s2 = 1.25 Factor a perfect square on the left side: (s + -1.5)(s + -1.5) = 1.25 Calculate the square root of the right side: 1.118033989 Break this problem into two subproblems by setting (s + -1.5) equal to 1.118033989 and -1.118033989.Subproblem 1
s + -1.5 = 1.118033989 Simplifying s + -1.5 = 1.118033989 Reorder the terms: -1.5 + s = 1.118033989 Solving -1.5 + s = 1.118033989 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + s = 1.118033989 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + s = 1.118033989 + 1.5 s = 1.118033989 + 1.5 Combine like terms: 1.118033989 + 1.5 = 2.618033989 s = 2.618033989 Simplifying s = 2.618033989Subproblem 2
s + -1.5 = -1.118033989 Simplifying s + -1.5 = -1.118033989 Reorder the terms: -1.5 + s = -1.118033989 Solving -1.5 + s = -1.118033989 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + s = -1.118033989 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + s = -1.118033989 + 1.5 s = -1.118033989 + 1.5 Combine like terms: -1.118033989 + 1.5 = 0.381966011 s = 0.381966011 Simplifying s = 0.381966011Solution
The solution to the problem is based on the solutions from the subproblems. s = {2.618033989, 0.381966011}Solution
s = {2.618033989, 0.381966011}
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