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Simplifying 3 + 8a = 3a(2a + -1) Reorder the terms: 3 + 8a = 3a(-1 + 2a) 3 + 8a = (-1 * 3a + 2a * 3a) 3 + 8a = (-3a + 6a2) Solving 3 + 8a = -3a + 6a2 Solving for variable 'a'. Combine like terms: 8a + 3a = 11a 3 + 11a + -6a2 = -3a + 6a2 + 3a + -6a2 Reorder the terms: 3 + 11a + -6a2 = -3a + 3a + 6a2 + -6a2 Combine like terms: -3a + 3a = 0 3 + 11a + -6a2 = 0 + 6a2 + -6a2 3 + 11a + -6a2 = 6a2 + -6a2 Combine like terms: 6a2 + -6a2 = 0 3 + 11a + -6a2 = 0 Begin completing the square. Divide all terms by -6 the coefficient of the squared term: Divide each side by '-6'. -0.5 + -1.833333333a + a2 = 0 Move the constant term to the right: Add '0.5' to each side of the equation. -0.5 + -1.833333333a + 0.5 + a2 = 0 + 0.5 Reorder the terms: -0.5 + 0.5 + -1.833333333a + a2 = 0 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + -1.833333333a + a2 = 0 + 0.5 -1.833333333a + a2 = 0 + 0.5 Combine like terms: 0 + 0.5 = 0.5 -1.833333333a + a2 = 0.5 The a term is -1.833333333a. Take half its coefficient (-0.9166666665). Square it (0.8402777775) and add it to both sides. Add '0.8402777775' to each side of the equation. -1.833333333a + 0.8402777775 + a2 = 0.5 + 0.8402777775 Reorder the terms: 0.8402777775 + -1.833333333a + a2 = 0.5 + 0.8402777775 Combine like terms: 0.5 + 0.8402777775 = 1.3402777775 0.8402777775 + -1.833333333a + a2 = 1.3402777775 Factor a perfect square on the left side: (a + -0.9166666665)(a + -0.9166666665) = 1.3402777775 Calculate the square root of the right side: 1.157703666 Break this problem into two subproblems by setting (a + -0.9166666665) equal to 1.157703666 and -1.157703666.Subproblem 1
a + -0.9166666665 = 1.157703666 Simplifying a + -0.9166666665 = 1.157703666 Reorder the terms: -0.9166666665 + a = 1.157703666 Solving -0.9166666665 + a = 1.157703666 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '0.9166666665' to each side of the equation. -0.9166666665 + 0.9166666665 + a = 1.157703666 + 0.9166666665 Combine like terms: -0.9166666665 + 0.9166666665 = 0.0000000000 0.0000000000 + a = 1.157703666 + 0.9166666665 a = 1.157703666 + 0.9166666665 Combine like terms: 1.157703666 + 0.9166666665 = 2.0743703325 a = 2.0743703325 Simplifying a = 2.0743703325Subproblem 2
a + -0.9166666665 = -1.157703666 Simplifying a + -0.9166666665 = -1.157703666 Reorder the terms: -0.9166666665 + a = -1.157703666 Solving -0.9166666665 + a = -1.157703666 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '0.9166666665' to each side of the equation. -0.9166666665 + 0.9166666665 + a = -1.157703666 + 0.9166666665 Combine like terms: -0.9166666665 + 0.9166666665 = 0.0000000000 0.0000000000 + a = -1.157703666 + 0.9166666665 a = -1.157703666 + 0.9166666665 Combine like terms: -1.157703666 + 0.9166666665 = -0.2410369995 a = -0.2410369995 Simplifying a = -0.2410369995Solution
The solution to the problem is based on the solutions from the subproblems. a = {2.0743703325, -0.2410369995}
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