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Simplifying 2x2 + -6x + -63 = 0 Reorder the terms: -63 + -6x + 2x2 = 0 Solving -63 + -6x + 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'. -31.5 + -3x + x2 = 0 Move the constant term to the right: Add '31.5' to each side of the equation. -31.5 + -3x + 31.5 + x2 = 0 + 31.5 Reorder the terms: -31.5 + 31.5 + -3x + x2 = 0 + 31.5 Combine like terms: -31.5 + 31.5 = 0.0 0.0 + -3x + x2 = 0 + 31.5 -3x + x2 = 0 + 31.5 Combine like terms: 0 + 31.5 = 31.5 -3x + x2 = 31.5 The x term is -3x. Take half its coefficient (-1.5). Square it (2.25) and add it to both sides. Add '2.25' to each side of the equation. -3x + 2.25 + x2 = 31.5 + 2.25 Reorder the terms: 2.25 + -3x + x2 = 31.5 + 2.25 Combine like terms: 31.5 + 2.25 = 33.75 2.25 + -3x + x2 = 33.75 Factor a perfect square on the left side: (x + -1.5)(x + -1.5) = 33.75 Calculate the square root of the right side: 5.809475019 Break this problem into two subproblems by setting (x + -1.5) equal to 5.809475019 and -5.809475019.Subproblem 1
x + -1.5 = 5.809475019 Simplifying x + -1.5 = 5.809475019 Reorder the terms: -1.5 + x = 5.809475019 Solving -1.5 + x = 5.809475019 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + x = 5.809475019 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + x = 5.809475019 + 1.5 x = 5.809475019 + 1.5 Combine like terms: 5.809475019 + 1.5 = 7.309475019 x = 7.309475019 Simplifying x = 7.309475019Subproblem 2
x + -1.5 = -5.809475019 Simplifying x + -1.5 = -5.809475019 Reorder the terms: -1.5 + x = -5.809475019 Solving -1.5 + x = -5.809475019 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + x = -5.809475019 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + x = -5.809475019 + 1.5 x = -5.809475019 + 1.5 Combine like terms: -5.809475019 + 1.5 = -4.309475019 x = -4.309475019 Simplifying x = -4.309475019Solution
The solution to the problem is based on the solutions from the subproblems. x = {7.309475019, -4.309475019}
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