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Simplifying 2x2 + 17x + -3 = 0 Reorder the terms: -3 + 17x + 2x2 = 0 Solving -3 + 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'. -1.5 + 8.5x + x2 = 0 Move the constant term to the right: Add '1.5' to each side of the equation. -1.5 + 8.5x + 1.5 + x2 = 0 + 1.5 Reorder the terms: -1.5 + 1.5 + 8.5x + x2 = 0 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + 8.5x + x2 = 0 + 1.5 8.5x + x2 = 0 + 1.5 Combine like terms: 0 + 1.5 = 1.5 8.5x + x2 = 1.5 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 = 1.5 + 18.0625 Reorder the terms: 18.0625 + 8.5x + x2 = 1.5 + 18.0625 Combine like terms: 1.5 + 18.0625 = 19.5625 18.0625 + 8.5x + x2 = 19.5625 Factor a perfect square on the left side: (x + 4.25)(x + 4.25) = 19.5625 Calculate the square root of the right side: 4.422951503 Break this problem into two subproblems by setting (x + 4.25) equal to 4.422951503 and -4.422951503.Subproblem 1
x + 4.25 = 4.422951503 Simplifying x + 4.25 = 4.422951503 Reorder the terms: 4.25 + x = 4.422951503 Solving 4.25 + x = 4.422951503 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 = 4.422951503 + -4.25 Combine like terms: 4.25 + -4.25 = 0.00 0.00 + x = 4.422951503 + -4.25 x = 4.422951503 + -4.25 Combine like terms: 4.422951503 + -4.25 = 0.172951503 x = 0.172951503 Simplifying x = 0.172951503Subproblem 2
x + 4.25 = -4.422951503 Simplifying x + 4.25 = -4.422951503 Reorder the terms: 4.25 + x = -4.422951503 Solving 4.25 + x = -4.422951503 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 = -4.422951503 + -4.25 Combine like terms: 4.25 + -4.25 = 0.00 0.00 + x = -4.422951503 + -4.25 x = -4.422951503 + -4.25 Combine like terms: -4.422951503 + -4.25 = -8.672951503 x = -8.672951503 Simplifying x = -8.672951503Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.172951503, -8.672951503}
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