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Simplifying 2x2 + 19x + -93 = 0 Reorder the terms: -93 + 19x + 2x2 = 0 Solving -93 + 19x + 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'. -46.5 + 9.5x + x2 = 0 Move the constant term to the right: Add '46.5' to each side of the equation. -46.5 + 9.5x + 46.5 + x2 = 0 + 46.5 Reorder the terms: -46.5 + 46.5 + 9.5x + x2 = 0 + 46.5 Combine like terms: -46.5 + 46.5 = 0.0 0.0 + 9.5x + x2 = 0 + 46.5 9.5x + x2 = 0 + 46.5 Combine like terms: 0 + 46.5 = 46.5 9.5x + x2 = 46.5 The x term is 9.5x. Take half its coefficient (4.75). Square it (22.5625) and add it to both sides. Add '22.5625' to each side of the equation. 9.5x + 22.5625 + x2 = 46.5 + 22.5625 Reorder the terms: 22.5625 + 9.5x + x2 = 46.5 + 22.5625 Combine like terms: 46.5 + 22.5625 = 69.0625 22.5625 + 9.5x + x2 = 69.0625 Factor a perfect square on the left side: (x + 4.75)(x + 4.75) = 69.0625 Calculate the square root of the right side: 8.310385069 Break this problem into two subproblems by setting (x + 4.75) equal to 8.310385069 and -8.310385069.Subproblem 1
x + 4.75 = 8.310385069 Simplifying x + 4.75 = 8.310385069 Reorder the terms: 4.75 + x = 8.310385069 Solving 4.75 + x = 8.310385069 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4.75' to each side of the equation. 4.75 + -4.75 + x = 8.310385069 + -4.75 Combine like terms: 4.75 + -4.75 = 0.00 0.00 + x = 8.310385069 + -4.75 x = 8.310385069 + -4.75 Combine like terms: 8.310385069 + -4.75 = 3.560385069 x = 3.560385069 Simplifying x = 3.560385069Subproblem 2
x + 4.75 = -8.310385069 Simplifying x + 4.75 = -8.310385069 Reorder the terms: 4.75 + x = -8.310385069 Solving 4.75 + x = -8.310385069 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4.75' to each side of the equation. 4.75 + -4.75 + x = -8.310385069 + -4.75 Combine like terms: 4.75 + -4.75 = 0.00 0.00 + x = -8.310385069 + -4.75 x = -8.310385069 + -4.75 Combine like terms: -8.310385069 + -4.75 = -13.060385069 x = -13.060385069 Simplifying x = -13.060385069Solution
The solution to the problem is based on the solutions from the subproblems. x = {3.560385069, -13.060385069}
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