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Simplifying (5v + 3)(4 + v) = 3 Reorder the terms: (3 + 5v)(4 + v) = 3 Multiply (3 + 5v) * (4 + v) (3(4 + v) + 5v * (4 + v)) = 3 ((4 * 3 + v * 3) + 5v * (4 + v)) = 3 ((12 + 3v) + 5v * (4 + v)) = 3 (12 + 3v + (4 * 5v + v * 5v)) = 3 (12 + 3v + (20v + 5v2)) = 3 Combine like terms: 3v + 20v = 23v (12 + 23v + 5v2) = 3 Solving 12 + 23v + 5v2 = 3 Solving for variable 'v'. Reorder the terms: 12 + -3 + 23v + 5v2 = 3 + -3 Combine like terms: 12 + -3 = 9 9 + 23v + 5v2 = 3 + -3 Combine like terms: 3 + -3 = 0 9 + 23v + 5v2 = 0 Begin completing the square. Divide all terms by 5 the coefficient of the squared term: Divide each side by '5'. 1.8 + 4.6v + v2 = 0 Move the constant term to the right: Add '-1.8' to each side of the equation. 1.8 + 4.6v + -1.8 + v2 = 0 + -1.8 Reorder the terms: 1.8 + -1.8 + 4.6v + v2 = 0 + -1.8 Combine like terms: 1.8 + -1.8 = 0.0 0.0 + 4.6v + v2 = 0 + -1.8 4.6v + v2 = 0 + -1.8 Combine like terms: 0 + -1.8 = -1.8 4.6v + v2 = -1.8 The v term is 4.6v. Take half its coefficient (2.3). Square it (5.29) and add it to both sides. Add '5.29' to each side of the equation. 4.6v + 5.29 + v2 = -1.8 + 5.29 Reorder the terms: 5.29 + 4.6v + v2 = -1.8 + 5.29 Combine like terms: -1.8 + 5.29 = 3.49 5.29 + 4.6v + v2 = 3.49 Factor a perfect square on the left side: (v + 2.3)(v + 2.3) = 3.49 Calculate the square root of the right side: 1.868154169 Break this problem into two subproblems by setting (v + 2.3) equal to 1.868154169 and -1.868154169.Subproblem 1
v + 2.3 = 1.868154169 Simplifying v + 2.3 = 1.868154169 Reorder the terms: 2.3 + v = 1.868154169 Solving 2.3 + v = 1.868154169 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '-2.3' to each side of the equation. 2.3 + -2.3 + v = 1.868154169 + -2.3 Combine like terms: 2.3 + -2.3 = 0.0 0.0 + v = 1.868154169 + -2.3 v = 1.868154169 + -2.3 Combine like terms: 1.868154169 + -2.3 = -0.431845831 v = -0.431845831 Simplifying v = -0.431845831Subproblem 2
v + 2.3 = -1.868154169 Simplifying v + 2.3 = -1.868154169 Reorder the terms: 2.3 + v = -1.868154169 Solving 2.3 + v = -1.868154169 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '-2.3' to each side of the equation. 2.3 + -2.3 + v = -1.868154169 + -2.3 Combine like terms: 2.3 + -2.3 = 0.0 0.0 + v = -1.868154169 + -2.3 v = -1.868154169 + -2.3 Combine like terms: -1.868154169 + -2.3 = -4.168154169 v = -4.168154169 Simplifying v = -4.168154169Solution
The solution to the problem is based on the solutions from the subproblems. v = {-0.431845831, -4.168154169}
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