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Simplifying -5v2 + 11v + -10 = 0 Reorder the terms: -10 + 11v + -5v2 = 0 Solving -10 + 11v + -5v2 = 0 Solving for variable 'v'. Begin completing the square. Divide all terms by -5 the coefficient of the squared term: Divide each side by '-5'. 2 + -2.2v + v2 = 0 Move the constant term to the right: Add '-2' to each side of the equation. 2 + -2.2v + -2 + v2 = 0 + -2 Reorder the terms: 2 + -2 + -2.2v + v2 = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -2.2v + v2 = 0 + -2 -2.2v + v2 = 0 + -2 Combine like terms: 0 + -2 = -2 -2.2v + v2 = -2 The v term is -2.2v. Take half its coefficient (-1.1). Square it (1.21) and add it to both sides. Add '1.21' to each side of the equation. -2.2v + 1.21 + v2 = -2 + 1.21 Reorder the terms: 1.21 + -2.2v + v2 = -2 + 1.21 Combine like terms: -2 + 1.21 = -0.79 1.21 + -2.2v + v2 = -0.79 Factor a perfect square on the left side: (v + -1.1)(v + -1.1) = -0.79 Can't calculate square root of the right side. The solution to this equation could not be determined.
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