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Simplifying 2x2 + -1x = 41 Reorder the terms: -1x + 2x2 = 41 Solving -1x + 2x2 = 41 Solving for variable 'x'. Reorder the terms: -41 + -1x + 2x2 = 41 + -41 Combine like terms: 41 + -41 = 0 -41 + -1x + 2x2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. -20.5 + -0.5x + x2 = 0 Move the constant term to the right: Add '20.5' to each side of the equation. -20.5 + -0.5x + 20.5 + x2 = 0 + 20.5 Reorder the terms: -20.5 + 20.5 + -0.5x + x2 = 0 + 20.5 Combine like terms: -20.5 + 20.5 = 0.0 0.0 + -0.5x + x2 = 0 + 20.5 -0.5x + x2 = 0 + 20.5 Combine like terms: 0 + 20.5 = 20.5 -0.5x + x2 = 20.5 The x term is -0.5x. Take half its coefficient (-0.25). Square it (0.0625) and add it to both sides. Add '0.0625' to each side of the equation. -0.5x + 0.0625 + x2 = 20.5 + 0.0625 Reorder the terms: 0.0625 + -0.5x + x2 = 20.5 + 0.0625 Combine like terms: 20.5 + 0.0625 = 20.5625 0.0625 + -0.5x + x2 = 20.5625 Factor a perfect square on the left side: (x + -0.25)(x + -0.25) = 20.5625 Calculate the square root of the right side: 4.534589287 Break this problem into two subproblems by setting (x + -0.25) equal to 4.534589287 and -4.534589287.Subproblem 1
x + -0.25 = 4.534589287 Simplifying x + -0.25 = 4.534589287 Reorder the terms: -0.25 + x = 4.534589287 Solving -0.25 + x = 4.534589287 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.25' to each side of the equation. -0.25 + 0.25 + x = 4.534589287 + 0.25 Combine like terms: -0.25 + 0.25 = 0.00 0.00 + x = 4.534589287 + 0.25 x = 4.534589287 + 0.25 Combine like terms: 4.534589287 + 0.25 = 4.784589287 x = 4.784589287 Simplifying x = 4.784589287Subproblem 2
x + -0.25 = -4.534589287 Simplifying x + -0.25 = -4.534589287 Reorder the terms: -0.25 + x = -4.534589287 Solving -0.25 + x = -4.534589287 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.25' to each side of the equation. -0.25 + 0.25 + x = -4.534589287 + 0.25 Combine like terms: -0.25 + 0.25 = 0.00 0.00 + x = -4.534589287 + 0.25 x = -4.534589287 + 0.25 Combine like terms: -4.534589287 + 0.25 = -4.284589287 x = -4.284589287 Simplifying x = -4.284589287Solution
The solution to the problem is based on the solutions from the subproblems. x = {4.784589287, -4.284589287}
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