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Simplifying 0 = v2 + -3v + 4 Reorder the terms: 0 = 4 + -3v + v2 Solving 0 = 4 + -3v + v2 Solving for variable 'v'. Combine like terms: 0 + -4 = -4 -4 + 3v + -1v2 = 4 + -3v + v2 + -4 + 3v + -1v2 Reorder the terms: -4 + 3v + -1v2 = 4 + -4 + -3v + 3v + v2 + -1v2 Combine like terms: 4 + -4 = 0 -4 + 3v + -1v2 = 0 + -3v + 3v + v2 + -1v2 -4 + 3v + -1v2 = -3v + 3v + v2 + -1v2 Combine like terms: -3v + 3v = 0 -4 + 3v + -1v2 = 0 + v2 + -1v2 -4 + 3v + -1v2 = v2 + -1v2 Combine like terms: v2 + -1v2 = 0 -4 + 3v + -1v2 = 0 Begin completing the square. Divide all terms by -1 the coefficient of the squared term: Divide each side by '-1'. 4 + -3v + v2 = 0 Move the constant term to the right: Add '-4' to each side of the equation. 4 + -3v + -4 + v2 = 0 + -4 Reorder the terms: 4 + -4 + -3v + v2 = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -3v + v2 = 0 + -4 -3v + v2 = 0 + -4 Combine like terms: 0 + -4 = -4 -3v + v2 = -4 The v term is -3v. 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. -3v + 2.25 + v2 = -4 + 2.25 Reorder the terms: 2.25 + -3v + v2 = -4 + 2.25 Combine like terms: -4 + 2.25 = -1.75 2.25 + -3v + v2 = -1.75 Factor a perfect square on the left side: (v + -1.5)(v + -1.5) = -1.75 Can't calculate square root of the right side. The solution to this equation could not be determined.
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