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Simplifying 3221.56997094199 + 181.186790357651x + -209.053188905878x2 = 0 Solving 3221.56997094199 + 181.186790357651x + -209.053188905878x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by -209.053188905878 the coefficient of the squared term: Divide each side by '-209.053188905878'. -15.41028859 + -0.8667018729x + x2 = 0 Move the constant term to the right: Add '15.41028859' to each side of the equation. -15.41028859 + -0.8667018729x + 15.41028859 + x2 = 0 + 15.41028859 Reorder the terms: -15.41028859 + 15.41028859 + -0.8667018729x + x2 = 0 + 15.41028859 Combine like terms: -15.41028859 + 15.41028859 = 0.00000000 0.00000000 + -0.8667018729x + x2 = 0 + 15.41028859 -0.8667018729x + x2 = 0 + 15.41028859 Combine like terms: 0 + 15.41028859 = 15.41028859 -0.8667018729x + x2 = 15.41028859 The x term is -0.8667018729x. Take half its coefficient (-0.4333509365). Square it (0.1877930342) and add it to both sides. Add '0.1877930342' to each side of the equation. -0.8667018729x + 0.1877930342 + x2 = 15.41028859 + 0.1877930342 Reorder the terms: 0.1877930342 + -0.8667018729x + x2 = 15.41028859 + 0.1877930342 Combine like terms: 15.41028859 + 0.1877930342 = 15.5980816242 0.1877930342 + -0.8667018729x + x2 = 15.5980816242 Factor a perfect square on the left side: (x + -0.4333509365)(x + -0.4333509365) = 15.5980816242 Calculate the square root of the right side: 3.949440672 Break this problem into two subproblems by setting (x + -0.4333509365) equal to 3.949440672 and -3.949440672.Subproblem 1
x + -0.4333509365 = 3.949440672 Simplifying x + -0.4333509365 = 3.949440672 Reorder the terms: -0.4333509365 + x = 3.949440672 Solving -0.4333509365 + x = 3.949440672 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.4333509365' to each side of the equation. -0.4333509365 + 0.4333509365 + x = 3.949440672 + 0.4333509365 Combine like terms: -0.4333509365 + 0.4333509365 = 0.0000000000 0.0000000000 + x = 3.949440672 + 0.4333509365 x = 3.949440672 + 0.4333509365 Combine like terms: 3.949440672 + 0.4333509365 = 4.3827916085 x = 4.3827916085 Simplifying x = 4.3827916085Subproblem 2
x + -0.4333509365 = -3.949440672 Simplifying x + -0.4333509365 = -3.949440672 Reorder the terms: -0.4333509365 + x = -3.949440672 Solving -0.4333509365 + x = -3.949440672 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.4333509365' to each side of the equation. -0.4333509365 + 0.4333509365 + x = -3.949440672 + 0.4333509365 Combine like terms: -0.4333509365 + 0.4333509365 = 0.0000000000 0.0000000000 + x = -3.949440672 + 0.4333509365 x = -3.949440672 + 0.4333509365 Combine like terms: -3.949440672 + 0.4333509365 = -3.5160897355 x = -3.5160897355 Simplifying x = -3.5160897355Solution
The solution to the problem is based on the solutions from the subproblems. x = {4.3827916085, -3.5160897355}
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