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Simplifying 12x2 + -13x + -1 = 0 Reorder the terms: -1 + -13x + 12x2 = 0 Solving -1 + -13x + 12x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 12 the coefficient of the squared term: Divide each side by '12'. -0.08333333333 + -1.083333333x + x2 = 0 Move the constant term to the right: Add '0.08333333333' to each side of the equation. -0.08333333333 + -1.083333333x + 0.08333333333 + x2 = 0 + 0.08333333333 Reorder the terms: -0.08333333333 + 0.08333333333 + -1.083333333x + x2 = 0 + 0.08333333333 Combine like terms: -0.08333333333 + 0.08333333333 = 0.00000000000 0.00000000000 + -1.083333333x + x2 = 0 + 0.08333333333 -1.083333333x + x2 = 0 + 0.08333333333 Combine like terms: 0 + 0.08333333333 = 0.08333333333 -1.083333333x + x2 = 0.08333333333 The x term is -1.083333333x. Take half its coefficient (-0.5416666665). Square it (0.2934027776) and add it to both sides. Add '0.2934027776' to each side of the equation. -1.083333333x + 0.2934027776 + x2 = 0.08333333333 + 0.2934027776 Reorder the terms: 0.2934027776 + -1.083333333x + x2 = 0.08333333333 + 0.2934027776 Combine like terms: 0.08333333333 + 0.2934027776 = 0.37673611093 0.2934027776 + -1.083333333x + x2 = 0.37673611093 Factor a perfect square on the left side: (x + -0.5416666665)(x + -0.5416666665) = 0.37673611093 Calculate the square root of the right side: 0.613788327 Break this problem into two subproblems by setting (x + -0.5416666665) equal to 0.613788327 and -0.613788327.Subproblem 1
x + -0.5416666665 = 0.613788327 Simplifying x + -0.5416666665 = 0.613788327 Reorder the terms: -0.5416666665 + x = 0.613788327 Solving -0.5416666665 + x = 0.613788327 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5416666665' to each side of the equation. -0.5416666665 + 0.5416666665 + x = 0.613788327 + 0.5416666665 Combine like terms: -0.5416666665 + 0.5416666665 = 0.0000000000 0.0000000000 + x = 0.613788327 + 0.5416666665 x = 0.613788327 + 0.5416666665 Combine like terms: 0.613788327 + 0.5416666665 = 1.1554549935 x = 1.1554549935 Simplifying x = 1.1554549935Subproblem 2
x + -0.5416666665 = -0.613788327 Simplifying x + -0.5416666665 = -0.613788327 Reorder the terms: -0.5416666665 + x = -0.613788327 Solving -0.5416666665 + x = -0.613788327 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5416666665' to each side of the equation. -0.5416666665 + 0.5416666665 + x = -0.613788327 + 0.5416666665 Combine like terms: -0.5416666665 + 0.5416666665 = 0.0000000000 0.0000000000 + x = -0.613788327 + 0.5416666665 x = -0.613788327 + 0.5416666665 Combine like terms: -0.613788327 + 0.5416666665 = -0.0721216605 x = -0.0721216605 Simplifying x = -0.0721216605Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.1554549935, -0.0721216605}
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