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Simplifying 6v2 + 4v + -9 = 0 Reorder the terms: -9 + 4v + 6v2 = 0 Solving -9 + 4v + 6v2 = 0 Solving for variable 'v'. Begin completing the square. Divide all terms by 6 the coefficient of the squared term: Divide each side by '6'. -1.5 + 0.6666666667v + v2 = 0 Move the constant term to the right: Add '1.5' to each side of the equation. -1.5 + 0.6666666667v + 1.5 + v2 = 0 + 1.5 Reorder the terms: -1.5 + 1.5 + 0.6666666667v + v2 = 0 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + 0.6666666667v + v2 = 0 + 1.5 0.6666666667v + v2 = 0 + 1.5 Combine like terms: 0 + 1.5 = 1.5 0.6666666667v + v2 = 1.5 The v term is 0.6666666667v. Take half its coefficient (0.3333333334). Square it (0.1111111112) and add it to both sides. Add '0.1111111112' to each side of the equation. 0.6666666667v + 0.1111111112 + v2 = 1.5 + 0.1111111112 Reorder the terms: 0.1111111112 + 0.6666666667v + v2 = 1.5 + 0.1111111112 Combine like terms: 1.5 + 0.1111111112 = 1.6111111112 0.1111111112 + 0.6666666667v + v2 = 1.6111111112 Factor a perfect square on the left side: (v + 0.3333333334)(v + 0.3333333334) = 1.6111111112 Calculate the square root of the right side: 1.269295518 Break this problem into two subproblems by setting (v + 0.3333333334) equal to 1.269295518 and -1.269295518.Subproblem 1
v + 0.3333333334 = 1.269295518 Simplifying v + 0.3333333334 = 1.269295518 Reorder the terms: 0.3333333334 + v = 1.269295518 Solving 0.3333333334 + v = 1.269295518 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '-0.3333333334' to each side of the equation. 0.3333333334 + -0.3333333334 + v = 1.269295518 + -0.3333333334 Combine like terms: 0.3333333334 + -0.3333333334 = 0.0000000000 0.0000000000 + v = 1.269295518 + -0.3333333334 v = 1.269295518 + -0.3333333334 Combine like terms: 1.269295518 + -0.3333333334 = 0.9359621846 v = 0.9359621846 Simplifying v = 0.9359621846Subproblem 2
v + 0.3333333334 = -1.269295518 Simplifying v + 0.3333333334 = -1.269295518 Reorder the terms: 0.3333333334 + v = -1.269295518 Solving 0.3333333334 + v = -1.269295518 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '-0.3333333334' to each side of the equation. 0.3333333334 + -0.3333333334 + v = -1.269295518 + -0.3333333334 Combine like terms: 0.3333333334 + -0.3333333334 = 0.0000000000 0.0000000000 + v = -1.269295518 + -0.3333333334 v = -1.269295518 + -0.3333333334 Combine like terms: -1.269295518 + -0.3333333334 = -1.6026288514 v = -1.6026288514 Simplifying v = -1.6026288514Solution
The solution to the problem is based on the solutions from the subproblems. v = {0.9359621846, -1.6026288514}
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