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Simplifying a + a2 = 10 Solving a + a2 = 10 Solving for variable 'a'. Reorder the terms: -10 + a + a2 = 10 + -10 Combine like terms: 10 + -10 = 0 -10 + a + a2 = 0 Begin completing the square. Move the constant term to the right: Add '10' to each side of the equation. -10 + a + 10 + a2 = 0 + 10 Reorder the terms: -10 + 10 + a + a2 = 0 + 10 Combine like terms: -10 + 10 = 0 0 + a + a2 = 0 + 10 a + a2 = 0 + 10 Combine like terms: 0 + 10 = 10 a + a2 = 10 The a term is a. Take half its coefficient (0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. a + 0.25 + a2 = 10 + 0.25 Reorder the terms: 0.25 + a + a2 = 10 + 0.25 Combine like terms: 10 + 0.25 = 10.25 0.25 + a + a2 = 10.25 Factor a perfect square on the left side: (a + 0.5)(a + 0.5) = 10.25 Calculate the square root of the right side: 3.201562119 Break this problem into two subproblems by setting (a + 0.5) equal to 3.201562119 and -3.201562119.Subproblem 1
a + 0.5 = 3.201562119 Simplifying a + 0.5 = 3.201562119 Reorder the terms: 0.5 + a = 3.201562119 Solving 0.5 + a = 3.201562119 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + a = 3.201562119 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + a = 3.201562119 + -0.5 a = 3.201562119 + -0.5 Combine like terms: 3.201562119 + -0.5 = 2.701562119 a = 2.701562119 Simplifying a = 2.701562119Subproblem 2
a + 0.5 = -3.201562119 Simplifying a + 0.5 = -3.201562119 Reorder the terms: 0.5 + a = -3.201562119 Solving 0.5 + a = -3.201562119 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + a = -3.201562119 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + a = -3.201562119 + -0.5 a = -3.201562119 + -0.5 Combine like terms: -3.201562119 + -0.5 = -3.701562119 a = -3.701562119 Simplifying a = -3.701562119Solution
The solution to the problem is based on the solutions from the subproblems. a = {2.701562119, -3.701562119}
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