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Simplifying 5a2 + -6a = 1 Reorder the terms: -6a + 5a2 = 1 Solving -6a + 5a2 = 1 Solving for variable 'a'. Reorder the terms: -1 + -6a + 5a2 = 1 + -1 Combine like terms: 1 + -1 = 0 -1 + -6a + 5a2 = 0 Begin completing the square. Divide all terms by 5 the coefficient of the squared term: Divide each side by '5'. -0.2 + -1.2a + a2 = 0 Move the constant term to the right: Add '0.2' to each side of the equation. -0.2 + -1.2a + 0.2 + a2 = 0 + 0.2 Reorder the terms: -0.2 + 0.2 + -1.2a + a2 = 0 + 0.2 Combine like terms: -0.2 + 0.2 = 0.0 0.0 + -1.2a + a2 = 0 + 0.2 -1.2a + a2 = 0 + 0.2 Combine like terms: 0 + 0.2 = 0.2 -1.2a + a2 = 0.2 The a term is -1.2a. Take half its coefficient (-0.6). Square it (0.36) and add it to both sides. Add '0.36' to each side of the equation. -1.2a + 0.36 + a2 = 0.2 + 0.36 Reorder the terms: 0.36 + -1.2a + a2 = 0.2 + 0.36 Combine like terms: 0.2 + 0.36 = 0.56 0.36 + -1.2a + a2 = 0.56 Factor a perfect square on the left side: (a + -0.6)(a + -0.6) = 0.56 Calculate the square root of the right side: 0.748331477 Break this problem into two subproblems by setting (a + -0.6) equal to 0.748331477 and -0.748331477.Subproblem 1
a + -0.6 = 0.748331477 Simplifying a + -0.6 = 0.748331477 Reorder the terms: -0.6 + a = 0.748331477 Solving -0.6 + a = 0.748331477 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '0.6' to each side of the equation. -0.6 + 0.6 + a = 0.748331477 + 0.6 Combine like terms: -0.6 + 0.6 = 0.0 0.0 + a = 0.748331477 + 0.6 a = 0.748331477 + 0.6 Combine like terms: 0.748331477 + 0.6 = 1.348331477 a = 1.348331477 Simplifying a = 1.348331477Subproblem 2
a + -0.6 = -0.748331477 Simplifying a + -0.6 = -0.748331477 Reorder the terms: -0.6 + a = -0.748331477 Solving -0.6 + a = -0.748331477 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '0.6' to each side of the equation. -0.6 + 0.6 + a = -0.748331477 + 0.6 Combine like terms: -0.6 + 0.6 = 0.0 0.0 + a = -0.748331477 + 0.6 a = -0.748331477 + 0.6 Combine like terms: -0.748331477 + 0.6 = -0.148331477 a = -0.148331477 Simplifying a = -0.148331477Solution
The solution to the problem is based on the solutions from the subproblems. a = {1.348331477, -0.148331477}
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