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Simplifying q2 + -12q + 30 = 0 Reorder the terms: 30 + -12q + q2 = 0 Solving 30 + -12q + q2 = 0 Solving for variable 'q'. Begin completing the square. Move the constant term to the right: Add '-30' to each side of the equation. 30 + -12q + -30 + q2 = 0 + -30 Reorder the terms: 30 + -30 + -12q + q2 = 0 + -30 Combine like terms: 30 + -30 = 0 0 + -12q + q2 = 0 + -30 -12q + q2 = 0 + -30 Combine like terms: 0 + -30 = -30 -12q + q2 = -30 The q term is -12q. Take half its coefficient (-6). Square it (36) and add it to both sides. Add '36' to each side of the equation. -12q + 36 + q2 = -30 + 36 Reorder the terms: 36 + -12q + q2 = -30 + 36 Combine like terms: -30 + 36 = 6 36 + -12q + q2 = 6 Factor a perfect square on the left side: (q + -6)(q + -6) = 6 Calculate the square root of the right side: 2.449489743 Break this problem into two subproblems by setting (q + -6) equal to 2.449489743 and -2.449489743.Subproblem 1
q + -6 = 2.449489743 Simplifying q + -6 = 2.449489743 Reorder the terms: -6 + q = 2.449489743 Solving -6 + q = 2.449489743 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + q = 2.449489743 + 6 Combine like terms: -6 + 6 = 0 0 + q = 2.449489743 + 6 q = 2.449489743 + 6 Combine like terms: 2.449489743 + 6 = 8.449489743 q = 8.449489743 Simplifying q = 8.449489743Subproblem 2
q + -6 = -2.449489743 Simplifying q + -6 = -2.449489743 Reorder the terms: -6 + q = -2.449489743 Solving -6 + q = -2.449489743 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + q = -2.449489743 + 6 Combine like terms: -6 + 6 = 0 0 + q = -2.449489743 + 6 q = -2.449489743 + 6 Combine like terms: -2.449489743 + 6 = 3.550510257 q = 3.550510257 Simplifying q = 3.550510257Solution
The solution to the problem is based on the solutions from the subproblems. q = {8.449489743, 3.550510257}
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