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Simplifying 2x + x(2x + -3) + 2x + (x + -1) = 76 Reorder the terms: 2x + x(-3 + 2x) + 2x + (x + -1) = 76 2x + (-3 * x + 2x * x) + 2x + (x + -1) = 76 2x + (-3x + 2x2) + 2x + (x + -1) = 76 Reorder the terms: 2x + -3x + 2x2 + 2x + (-1 + x) = 76 Remove parenthesis around (-1 + x) 2x + -3x + 2x2 + 2x + -1 + x = 76 Reorder the terms: -1 + 2x + -3x + 2x + x + 2x2 = 76 Combine like terms: 2x + -3x = -1x -1 + -1x + 2x + x + 2x2 = 76 Combine like terms: -1x + 2x = 1x -1 + 1x + x + 2x2 = 76 Combine like terms: 1x + x = 2x -1 + 2x + 2x2 = 76 Solving -1 + 2x + 2x2 = 76 Solving for variable 'x'. Reorder the terms: -1 + -76 + 2x + 2x2 = 76 + -76 Combine like terms: -1 + -76 = -77 -77 + 2x + 2x2 = 76 + -76 Combine like terms: 76 + -76 = 0 -77 + 2x + 2x2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. -38.5 + x + x2 = 0 Move the constant term to the right: Add '38.5' to each side of the equation. -38.5 + x + 38.5 + x2 = 0 + 38.5 Reorder the terms: -38.5 + 38.5 + x + x2 = 0 + 38.5 Combine like terms: -38.5 + 38.5 = 0.0 0.0 + x + x2 = 0 + 38.5 x + x2 = 0 + 38.5 Combine like terms: 0 + 38.5 = 38.5 x + x2 = 38.5 The x term is x. Take half its coefficient (0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. + 0.25 + x2 = 38.5 + 0.25 Combine like terms: + 0.25 = 1.25 1.25 + x2 = 38.5 + 0.25 Combine like terms: 38.5 + 0.25 = 38.75 1.25 + x2 = 38.75 Factor a perfect square on the left side: (x + 0.5)(x + 0.5) = 38.75 Calculate the square root of the right side: 6.224949799 Break this problem into two subproblems by setting (x + 0.5) equal to 6.224949799 and -6.224949799.Subproblem 1
x + 0.5 = 6.224949799 Simplifying x + 0.5 = 6.224949799 Reorder the terms: 0.5 + x = 6.224949799 Solving 0.5 + x = 6.224949799 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = 6.224949799 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 6.224949799 + -0.5 x = 6.224949799 + -0.5 Combine like terms: 6.224949799 + -0.5 = 5.724949799 x = 5.724949799 Simplifying x = 5.724949799Subproblem 2
x + 0.5 = -6.224949799 Simplifying x + 0.5 = -6.224949799 Reorder the terms: 0.5 + x = -6.224949799 Solving 0.5 + x = -6.224949799 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = -6.224949799 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -6.224949799 + -0.5 x = -6.224949799 + -0.5 Combine like terms: -6.224949799 + -0.5 = -6.724949799 x = -6.724949799 Simplifying x = -6.724949799Solution
The solution to the problem is based on the solutions from the subproblems. x = {5.724949799, -6.724949799}
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