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Simplifying 8s2 + -4s + 12 = 0 Reorder the terms: 12 + -4s + 8s2 = 0 Solving 12 + -4s + 8s2 = 0 Solving for variable 's'. Factor out the Greatest Common Factor (GCF), '4'. 4(3 + -1s + 2s2) = 0 Ignore the factor 4.Subproblem 1
Set the factor '(3 + -1s + 2s2)' equal to zero and attempt to solve: Simplifying 3 + -1s + 2s2 = 0 Solving 3 + -1s + 2s2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. 1.5 + -0.5s + s2 = 0 Move the constant term to the right: Add '-1.5' to each side of the equation. 1.5 + -0.5s + -1.5 + s2 = 0 + -1.5 Reorder the terms: 1.5 + -1.5 + -0.5s + s2 = 0 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + -0.5s + s2 = 0 + -1.5 -0.5s + s2 = 0 + -1.5 Combine like terms: 0 + -1.5 = -1.5 -0.5s + s2 = -1.5 The s term is -0.5s. Take half its coefficient (-0.25). Square it (0.0625) and add it to both sides. Add '0.0625' to each side of the equation. -0.5s + 0.0625 + s2 = -1.5 + 0.0625 Reorder the terms: 0.0625 + -0.5s + s2 = -1.5 + 0.0625 Combine like terms: -1.5 + 0.0625 = -1.4375 0.0625 + -0.5s + s2 = -1.4375 Factor a perfect square on the left side: (s + -0.25)(s + -0.25) = -1.4375 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.
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