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Simplifying 6x2 + -7x + -11 = 0 Reorder the terms: -11 + -7x + 6x2 = 0 Solving -11 + -7x + 6x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 6 the coefficient of the squared term: Divide each side by '6'. -1.833333333 + -1.166666667x + x2 = 0 Move the constant term to the right: Add '1.833333333' to each side of the equation. -1.833333333 + -1.166666667x + 1.833333333 + x2 = 0 + 1.833333333 Reorder the terms: -1.833333333 + 1.833333333 + -1.166666667x + x2 = 0 + 1.833333333 Combine like terms: -1.833333333 + 1.833333333 = 0.000000000 0.000000000 + -1.166666667x + x2 = 0 + 1.833333333 -1.166666667x + x2 = 0 + 1.833333333 Combine like terms: 0 + 1.833333333 = 1.833333333 -1.166666667x + x2 = 1.833333333 The x term is -1.166666667x. Take half its coefficient (-0.5833333335). Square it (0.3402777780) and add it to both sides. Add '0.3402777780' to each side of the equation. -1.166666667x + 0.3402777780 + x2 = 1.833333333 + 0.3402777780 Reorder the terms: 0.3402777780 + -1.166666667x + x2 = 1.833333333 + 0.3402777780 Combine like terms: 1.833333333 + 0.3402777780 = 2.173611111 0.3402777780 + -1.166666667x + x2 = 2.173611111 Factor a perfect square on the left side: (x + -0.5833333335)(x + -0.5833333335) = 2.173611111 Calculate the square root of the right side: 1.474317168 Break this problem into two subproblems by setting (x + -0.5833333335) equal to 1.474317168 and -1.474317168.Subproblem 1
x + -0.5833333335 = 1.474317168 Simplifying x + -0.5833333335 = 1.474317168 Reorder the terms: -0.5833333335 + x = 1.474317168 Solving -0.5833333335 + x = 1.474317168 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5833333335' to each side of the equation. -0.5833333335 + 0.5833333335 + x = 1.474317168 + 0.5833333335 Combine like terms: -0.5833333335 + 0.5833333335 = 0.0000000000 0.0000000000 + x = 1.474317168 + 0.5833333335 x = 1.474317168 + 0.5833333335 Combine like terms: 1.474317168 + 0.5833333335 = 2.0576505015 x = 2.0576505015 Simplifying x = 2.0576505015Subproblem 2
x + -0.5833333335 = -1.474317168 Simplifying x + -0.5833333335 = -1.474317168 Reorder the terms: -0.5833333335 + x = -1.474317168 Solving -0.5833333335 + x = -1.474317168 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5833333335' to each side of the equation. -0.5833333335 + 0.5833333335 + x = -1.474317168 + 0.5833333335 Combine like terms: -0.5833333335 + 0.5833333335 = 0.0000000000 0.0000000000 + x = -1.474317168 + 0.5833333335 x = -1.474317168 + 0.5833333335 Combine like terms: -1.474317168 + 0.5833333335 = -0.8909838345 x = -0.8909838345 Simplifying x = -0.8909838345Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.0576505015, -0.8909838345}
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