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Simplifying a2 + 14 = -11a Reorder the terms: 14 + a2 = -11a Solving 14 + a2 = -11a Solving for variable 'a'. Reorder the terms: 14 + 11a + a2 = -11a + 11a Combine like terms: -11a + 11a = 0 14 + 11a + a2 = 0 Begin completing the square. Move the constant term to the right: Add '-14' to each side of the equation. 14 + 11a + -14 + a2 = 0 + -14 Reorder the terms: 14 + -14 + 11a + a2 = 0 + -14 Combine like terms: 14 + -14 = 0 0 + 11a + a2 = 0 + -14 11a + a2 = 0 + -14 Combine like terms: 0 + -14 = -14 11a + a2 = -14 The a term is 11a. Take half its coefficient (5.5). Square it (30.25) and add it to both sides. Add '30.25' to each side of the equation. 11a + 30.25 + a2 = -14 + 30.25 Reorder the terms: 30.25 + 11a + a2 = -14 + 30.25 Combine like terms: -14 + 30.25 = 16.25 30.25 + 11a + a2 = 16.25 Factor a perfect square on the left side: (a + 5.5)(a + 5.5) = 16.25 Calculate the square root of the right side: 4.031128874 Break this problem into two subproblems by setting (a + 5.5) equal to 4.031128874 and -4.031128874.Subproblem 1
a + 5.5 = 4.031128874 Simplifying a + 5.5 = 4.031128874 Reorder the terms: 5.5 + a = 4.031128874 Solving 5.5 + a = 4.031128874 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-5.5' to each side of the equation. 5.5 + -5.5 + a = 4.031128874 + -5.5 Combine like terms: 5.5 + -5.5 = 0.0 0.0 + a = 4.031128874 + -5.5 a = 4.031128874 + -5.5 Combine like terms: 4.031128874 + -5.5 = -1.468871126 a = -1.468871126 Simplifying a = -1.468871126Subproblem 2
a + 5.5 = -4.031128874 Simplifying a + 5.5 = -4.031128874 Reorder the terms: 5.5 + a = -4.031128874 Solving 5.5 + a = -4.031128874 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-5.5' to each side of the equation. 5.5 + -5.5 + a = -4.031128874 + -5.5 Combine like terms: 5.5 + -5.5 = 0.0 0.0 + a = -4.031128874 + -5.5 a = -4.031128874 + -5.5 Combine like terms: -4.031128874 + -5.5 = -9.531128874 a = -9.531128874 Simplifying a = -9.531128874Solution
The solution to the problem is based on the solutions from the subproblems. a = {-1.468871126, -9.531128874}
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