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Simplifying -6x2 + -30x + -23 = 0 Reorder the terms: -23 + -30x + -6x2 = 0 Solving -23 + -30x + -6x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '-1'. -1(23 + 30x + 6x2) = 0 Ignore the factor -1.Subproblem 1
Set the factor '(23 + 30x + 6x2)' equal to zero and attempt to solve: Simplifying 23 + 30x + 6x2 = 0 Solving 23 + 30x + 6x2 = 0 Begin completing the square. Divide all terms by 6 the coefficient of the squared term: Divide each side by '6'. 3.833333333 + 5x + x2 = 0 Move the constant term to the right: Add '-3.833333333' to each side of the equation. 3.833333333 + 5x + -3.833333333 + x2 = 0 + -3.833333333 Reorder the terms: 3.833333333 + -3.833333333 + 5x + x2 = 0 + -3.833333333 Combine like terms: 3.833333333 + -3.833333333 = 0.000000000 0.000000000 + 5x + x2 = 0 + -3.833333333 5x + x2 = 0 + -3.833333333 Combine like terms: 0 + -3.833333333 = -3.833333333 5x + x2 = -3.833333333 The x term is 5x. Take half its coefficient (2.5). Square it (6.25) and add it to both sides. Add '6.25' to each side of the equation. 5x + 6.25 + x2 = -3.833333333 + 6.25 Reorder the terms: 6.25 + 5x + x2 = -3.833333333 + 6.25 Combine like terms: -3.833333333 + 6.25 = 2.416666667 6.25 + 5x + x2 = 2.416666667 Factor a perfect square on the left side: (x + 2.5)(x + 2.5) = 2.416666667 Calculate the square root of the right side: 1.554563176 Break this problem into two subproblems by setting (x + 2.5) equal to 1.554563176 and -1.554563176.Subproblem 1
x + 2.5 = 1.554563176 Simplifying x + 2.5 = 1.554563176 Reorder the terms: 2.5 + x = 1.554563176 Solving 2.5 + x = 1.554563176 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + x = 1.554563176 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + x = 1.554563176 + -2.5 x = 1.554563176 + -2.5 Combine like terms: 1.554563176 + -2.5 = -0.945436824 x = -0.945436824 Simplifying x = -0.945436824Subproblem 2
x + 2.5 = -1.554563176 Simplifying x + 2.5 = -1.554563176 Reorder the terms: 2.5 + x = -1.554563176 Solving 2.5 + x = -1.554563176 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + x = -1.554563176 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + x = -1.554563176 + -2.5 x = -1.554563176 + -2.5 Combine like terms: -1.554563176 + -2.5 = -4.054563176 x = -4.054563176 Simplifying x = -4.054563176Solution
The solution to the problem is based on the solutions from the subproblems. x = {-0.945436824, -4.054563176}Solution
x = {-0.945436824, -4.054563176}
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