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Simplifying 4v2 + -9v + 9 = 2 Reorder the terms: 9 + -9v + 4v2 = 2 Solving 9 + -9v + 4v2 = 2 Solving for variable 'v'. Reorder the terms: 9 + -2 + -9v + 4v2 = 2 + -2 Combine like terms: 9 + -2 = 7 7 + -9v + 4v2 = 2 + -2 Combine like terms: 2 + -2 = 0 7 + -9v + 4v2 = 0 Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. 1.75 + -2.25v + v2 = 0 Move the constant term to the right: Add '-1.75' to each side of the equation. 1.75 + -2.25v + -1.75 + v2 = 0 + -1.75 Reorder the terms: 1.75 + -1.75 + -2.25v + v2 = 0 + -1.75 Combine like terms: 1.75 + -1.75 = 0.00 0.00 + -2.25v + v2 = 0 + -1.75 -2.25v + v2 = 0 + -1.75 Combine like terms: 0 + -1.75 = -1.75 -2.25v + v2 = -1.75 The v term is -2.25v. Take half its coefficient (-1.125). Square it (1.265625) and add it to both sides. Add '1.265625' to each side of the equation. -2.25v + 1.265625 + v2 = -1.75 + 1.265625 Reorder the terms: 1.265625 + -2.25v + v2 = -1.75 + 1.265625 Combine like terms: -1.75 + 1.265625 = -0.484375 1.265625 + -2.25v + v2 = -0.484375 Factor a perfect square on the left side: (v + -1.125)(v + -1.125) = -0.484375 Can't calculate square root of the right side. The solution to this equation could not be determined.
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