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Simplifying 2x2 + -2x + -68 = 0 Reorder the terms: -68 + -2x + 2x2 = 0 Solving -68 + -2x + 2x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '2'. 2(-34 + -1x + x2) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-34 + -1x + x2)' equal to zero and attempt to solve: Simplifying -34 + -1x + x2 = 0 Solving -34 + -1x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '34' to each side of the equation. -34 + -1x + 34 + x2 = 0 + 34 Reorder the terms: -34 + 34 + -1x + x2 = 0 + 34 Combine like terms: -34 + 34 = 0 0 + -1x + x2 = 0 + 34 -1x + x2 = 0 + 34 Combine like terms: 0 + 34 = 34 -1x + x2 = 34 The x term is -1x. 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. -1x + 0.25 + x2 = 34 + 0.25 Reorder the terms: 0.25 + -1x + x2 = 34 + 0.25 Combine like terms: 34 + 0.25 = 34.25 0.25 + -1x + x2 = 34.25 Factor a perfect square on the left side: (x + -0.5)(x + -0.5) = 34.25 Calculate the square root of the right side: 5.852349955 Break this problem into two subproblems by setting (x + -0.5) equal to 5.852349955 and -5.852349955.Subproblem 1
x + -0.5 = 5.852349955 Simplifying x + -0.5 = 5.852349955 Reorder the terms: -0.5 + x = 5.852349955 Solving -0.5 + x = 5.852349955 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 = 5.852349955 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = 5.852349955 + 0.5 x = 5.852349955 + 0.5 Combine like terms: 5.852349955 + 0.5 = 6.352349955 x = 6.352349955 Simplifying x = 6.352349955Subproblem 2
x + -0.5 = -5.852349955 Simplifying x + -0.5 = -5.852349955 Reorder the terms: -0.5 + x = -5.852349955 Solving -0.5 + x = -5.852349955 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 = -5.852349955 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = -5.852349955 + 0.5 x = -5.852349955 + 0.5 Combine like terms: -5.852349955 + 0.5 = -5.352349955 x = -5.352349955 Simplifying x = -5.352349955Solution
The solution to the problem is based on the solutions from the subproblems. x = {6.352349955, -5.352349955}Solution
x = {6.352349955, -5.352349955}
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