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Simplifying 2v2 + -13 = -3v Reorder the terms: -13 + 2v2 = -3v Solving -13 + 2v2 = -3v Solving for variable 'v'. Reorder the terms: -13 + 3v + 2v2 = -3v + 3v Combine like terms: -3v + 3v = 0 -13 + 3v + 2v2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. -6.5 + 1.5v + v2 = 0 Move the constant term to the right: Add '6.5' to each side of the equation. -6.5 + 1.5v + 6.5 + v2 = 0 + 6.5 Reorder the terms: -6.5 + 6.5 + 1.5v + v2 = 0 + 6.5 Combine like terms: -6.5 + 6.5 = 0.0 0.0 + 1.5v + v2 = 0 + 6.5 1.5v + v2 = 0 + 6.5 Combine like terms: 0 + 6.5 = 6.5 1.5v + v2 = 6.5 The v term is 1.5v. Take half its coefficient (0.75). Square it (0.5625) and add it to both sides. Add '0.5625' to each side of the equation. 1.5v + 0.5625 + v2 = 6.5 + 0.5625 Reorder the terms: 0.5625 + 1.5v + v2 = 6.5 + 0.5625 Combine like terms: 6.5 + 0.5625 = 7.0625 0.5625 + 1.5v + v2 = 7.0625 Factor a perfect square on the left side: (v + 0.75)(v + 0.75) = 7.0625 Calculate the square root of the right side: 2.657536453 Break this problem into two subproblems by setting (v + 0.75) equal to 2.657536453 and -2.657536453.Subproblem 1
v + 0.75 = 2.657536453 Simplifying v + 0.75 = 2.657536453 Reorder the terms: 0.75 + v = 2.657536453 Solving 0.75 + v = 2.657536453 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '-0.75' to each side of the equation. 0.75 + -0.75 + v = 2.657536453 + -0.75 Combine like terms: 0.75 + -0.75 = 0.00 0.00 + v = 2.657536453 + -0.75 v = 2.657536453 + -0.75 Combine like terms: 2.657536453 + -0.75 = 1.907536453 v = 1.907536453 Simplifying v = 1.907536453Subproblem 2
v + 0.75 = -2.657536453 Simplifying v + 0.75 = -2.657536453 Reorder the terms: 0.75 + v = -2.657536453 Solving 0.75 + v = -2.657536453 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '-0.75' to each side of the equation. 0.75 + -0.75 + v = -2.657536453 + -0.75 Combine like terms: 0.75 + -0.75 = 0.00 0.00 + v = -2.657536453 + -0.75 v = -2.657536453 + -0.75 Combine like terms: -2.657536453 + -0.75 = -3.407536453 v = -3.407536453 Simplifying v = -3.407536453Solution
The solution to the problem is based on the solutions from the subproblems. v = {1.907536453, -3.407536453}
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