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Simplifying v2 + 7v = 6 Reorder the terms: 7v + v2 = 6 Solving 7v + v2 = 6 Solving for variable 'v'. Reorder the terms: -6 + 7v + v2 = 6 + -6 Combine like terms: 6 + -6 = 0 -6 + 7v + v2 = 0 Begin completing the square. Move the constant term to the right: Add '6' to each side of the equation. -6 + 7v + 6 + v2 = 0 + 6 Reorder the terms: -6 + 6 + 7v + v2 = 0 + 6 Combine like terms: -6 + 6 = 0 0 + 7v + v2 = 0 + 6 7v + v2 = 0 + 6 Combine like terms: 0 + 6 = 6 7v + v2 = 6 The v term is 7v. Take half its coefficient (3.5). Square it (12.25) and add it to both sides. Add '12.25' to each side of the equation. 7v + 12.25 + v2 = 6 + 12.25 Reorder the terms: 12.25 + 7v + v2 = 6 + 12.25 Combine like terms: 6 + 12.25 = 18.25 12.25 + 7v + v2 = 18.25 Factor a perfect square on the left side: (v + 3.5)(v + 3.5) = 18.25 Calculate the square root of the right side: 4.272001873 Break this problem into two subproblems by setting (v + 3.5) equal to 4.272001873 and -4.272001873.Subproblem 1
v + 3.5 = 4.272001873 Simplifying v + 3.5 = 4.272001873 Reorder the terms: 3.5 + v = 4.272001873 Solving 3.5 + v = 4.272001873 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '-3.5' to each side of the equation. 3.5 + -3.5 + v = 4.272001873 + -3.5 Combine like terms: 3.5 + -3.5 = 0.0 0.0 + v = 4.272001873 + -3.5 v = 4.272001873 + -3.5 Combine like terms: 4.272001873 + -3.5 = 0.772001873 v = 0.772001873 Simplifying v = 0.772001873Subproblem 2
v + 3.5 = -4.272001873 Simplifying v + 3.5 = -4.272001873 Reorder the terms: 3.5 + v = -4.272001873 Solving 3.5 + v = -4.272001873 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '-3.5' to each side of the equation. 3.5 + -3.5 + v = -4.272001873 + -3.5 Combine like terms: 3.5 + -3.5 = 0.0 0.0 + v = -4.272001873 + -3.5 v = -4.272001873 + -3.5 Combine like terms: -4.272001873 + -3.5 = -7.772001873 v = -7.772001873 Simplifying v = -7.772001873Solution
The solution to the problem is based on the solutions from the subproblems. v = {0.772001873, -7.772001873}
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