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Simplifying 8v2 + -8v + 9 = 0 Reorder the terms: 9 + -8v + 8v2 = 0 Solving 9 + -8v + 8v2 = 0 Solving for variable 'v'. Begin completing the square. Divide all terms by 8 the coefficient of the squared term: Divide each side by '8'. 1.125 + -1v + v2 = 0 Move the constant term to the right: Add '-1.125' to each side of the equation. 1.125 + -1v + -1.125 + v2 = 0 + -1.125 Reorder the terms: 1.125 + -1.125 + -1v + v2 = 0 + -1.125 Combine like terms: 1.125 + -1.125 = 0.000 0.000 + -1v + v2 = 0 + -1.125 -1v + v2 = 0 + -1.125 Combine like terms: 0 + -1.125 = -1.125 -1v + v2 = -1.125 The v term is -1v. 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. -1v + 0.25 + v2 = -1.125 + 0.25 Reorder the terms: 0.25 + -1v + v2 = -1.125 + 0.25 Combine like terms: -1.125 + 0.25 = -0.875 0.25 + -1v + v2 = -0.875 Factor a perfect square on the left side: (v + -0.5)(v + -0.5) = -0.875 Can't calculate square root of the right side. The solution to this equation could not be determined.
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