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Simplifying 2x2 + 17x + 2 = 0 Reorder the terms: 2 + 17x + 2x2 = 0 Solving 2 + 17x + 2x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. 1 + 8.5x + x2 = 0 Move the constant term to the right: Add '-1' to each side of the equation. 1 + 8.5x + -1 + x2 = 0 + -1 Reorder the terms: 1 + -1 + 8.5x + x2 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 8.5x + x2 = 0 + -1 8.5x + x2 = 0 + -1 Combine like terms: 0 + -1 = -1 8.5x + x2 = -1 The x term is 8.5x. Take half its coefficient (4.25). Square it (18.0625) and add it to both sides. Add '18.0625' to each side of the equation. 8.5x + 18.0625 + x2 = -1 + 18.0625 Reorder the terms: 18.0625 + 8.5x + x2 = -1 + 18.0625 Combine like terms: -1 + 18.0625 = 17.0625 18.0625 + 8.5x + x2 = 17.0625 Factor a perfect square on the left side: (x + 4.25)(x + 4.25) = 17.0625 Calculate the square root of the right side: 4.13067791 Break this problem into two subproblems by setting (x + 4.25) equal to 4.13067791 and -4.13067791.Subproblem 1
x + 4.25 = 4.13067791 Simplifying x + 4.25 = 4.13067791 Reorder the terms: 4.25 + x = 4.13067791 Solving 4.25 + x = 4.13067791 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4.25' to each side of the equation. 4.25 + -4.25 + x = 4.13067791 + -4.25 Combine like terms: 4.25 + -4.25 = 0.00 0.00 + x = 4.13067791 + -4.25 x = 4.13067791 + -4.25 Combine like terms: 4.13067791 + -4.25 = -0.11932209 x = -0.11932209 Simplifying x = -0.11932209Subproblem 2
x + 4.25 = -4.13067791 Simplifying x + 4.25 = -4.13067791 Reorder the terms: 4.25 + x = -4.13067791 Solving 4.25 + x = -4.13067791 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4.25' to each side of the equation. 4.25 + -4.25 + x = -4.13067791 + -4.25 Combine like terms: 4.25 + -4.25 = 0.00 0.00 + x = -4.13067791 + -4.25 x = -4.13067791 + -4.25 Combine like terms: -4.13067791 + -4.25 = -8.38067791 x = -8.38067791 Simplifying x = -8.38067791Solution
The solution to the problem is based on the solutions from the subproblems. x = {-0.11932209, -8.38067791}
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