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Simplifying 5a + -8 = 7(a + 1) * 16a + 4 Reorder the terms: -8 + 5a = 7(a + 1) * 16a + 4 Reorder the terms: -8 + 5a = 7(1 + a) * 16a + 4 Reorder the terms for easier multiplication: -8 + 5a = 7 * 16a(1 + a) + 4 Multiply 7 * 16 -8 + 5a = 112a(1 + a) + 4 -8 + 5a = (1 * 112a + a * 112a) + 4 -8 + 5a = (112a + 112a2) + 4 Reorder the terms: -8 + 5a = 4 + 112a + 112a2 Solving -8 + 5a = 4 + 112a + 112a2 Solving for variable 'a'. Reorder the terms: -8 + -4 + 5a + -112a + -112a2 = 4 + 112a + 112a2 + -4 + -112a + -112a2 Combine like terms: -8 + -4 = -12 -12 + 5a + -112a + -112a2 = 4 + 112a + 112a2 + -4 + -112a + -112a2 Combine like terms: 5a + -112a = -107a -12 + -107a + -112a2 = 4 + 112a + 112a2 + -4 + -112a + -112a2 Reorder the terms: -12 + -107a + -112a2 = 4 + -4 + 112a + -112a + 112a2 + -112a2 Combine like terms: 4 + -4 = 0 -12 + -107a + -112a2 = 0 + 112a + -112a + 112a2 + -112a2 -12 + -107a + -112a2 = 112a + -112a + 112a2 + -112a2 Combine like terms: 112a + -112a = 0 -12 + -107a + -112a2 = 0 + 112a2 + -112a2 -12 + -107a + -112a2 = 112a2 + -112a2 Combine like terms: 112a2 + -112a2 = 0 -12 + -107a + -112a2 = 0 Factor out the Greatest Common Factor (GCF), '-1'. -1(12 + 107a + 112a2) = 0 Ignore the factor -1.Subproblem 1
Set the factor '(12 + 107a + 112a2)' equal to zero and attempt to solve: Simplifying 12 + 107a + 112a2 = 0 Solving 12 + 107a + 112a2 = 0 Begin completing the square. Divide all terms by 112 the coefficient of the squared term: Divide each side by '112'. 0.1071428571 + 0.9553571429a + a2 = 0 Move the constant term to the right: Add '-0.1071428571' to each side of the equation. 0.1071428571 + 0.9553571429a + -0.1071428571 + a2 = 0 + -0.1071428571 Reorder the terms: 0.1071428571 + -0.1071428571 + 0.9553571429a + a2 = 0 + -0.1071428571 Combine like terms: 0.1071428571 + -0.1071428571 = 0.0000000000 0.0000000000 + 0.9553571429a + a2 = 0 + -0.1071428571 0.9553571429a + a2 = 0 + -0.1071428571 Combine like terms: 0 + -0.1071428571 = -0.1071428571 0.9553571429a + a2 = -0.1071428571 The a term is 0.9553571429a. Take half its coefficient (0.4776785715). Square it (0.2281768177) and add it to both sides. Add '0.2281768177' to each side of the equation. 0.9553571429a + 0.2281768177 + a2 = -0.1071428571 + 0.2281768177 Reorder the terms: 0.2281768177 + 0.9553571429a + a2 = -0.1071428571 + 0.2281768177 Combine like terms: -0.1071428571 + 0.2281768177 = 0.1210339606 0.2281768177 + 0.9553571429a + a2 = 0.1210339606 Factor a perfect square on the left side: (a + 0.4776785715)(a + 0.4776785715) = 0.1210339606 Calculate the square root of the right side: 0.347899354 Break this problem into two subproblems by setting (a + 0.4776785715) equal to 0.347899354 and -0.347899354.Subproblem 1
a + 0.4776785715 = 0.347899354 Simplifying a + 0.4776785715 = 0.347899354 Reorder the terms: 0.4776785715 + a = 0.347899354 Solving 0.4776785715 + a = 0.347899354 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-0.4776785715' to each side of the equation. 0.4776785715 + -0.4776785715 + a = 0.347899354 + -0.4776785715 Combine like terms: 0.4776785715 + -0.4776785715 = 0.0000000000 0.0000000000 + a = 0.347899354 + -0.4776785715 a = 0.347899354 + -0.4776785715 Combine like terms: 0.347899354 + -0.4776785715 = -0.1297792175 a = -0.1297792175 Simplifying a = -0.1297792175Subproblem 2
a + 0.4776785715 = -0.347899354 Simplifying a + 0.4776785715 = -0.347899354 Reorder the terms: 0.4776785715 + a = -0.347899354 Solving 0.4776785715 + a = -0.347899354 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-0.4776785715' to each side of the equation. 0.4776785715 + -0.4776785715 + a = -0.347899354 + -0.4776785715 Combine like terms: 0.4776785715 + -0.4776785715 = 0.0000000000 0.0000000000 + a = -0.347899354 + -0.4776785715 a = -0.347899354 + -0.4776785715 Combine like terms: -0.347899354 + -0.4776785715 = -0.8255779255 a = -0.8255779255 Simplifying a = -0.8255779255Solution
The solution to the problem is based on the solutions from the subproblems. a = {-0.1297792175, -0.8255779255}Solution
a = {-0.1297792175, -0.8255779255}
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