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Simplifying 16q + 4q2 = 16 + 8q Solving 16q + 4q2 = 16 + 8q Solving for variable 'q'. Reorder the terms: -16 + 16q + -8q + 4q2 = 16 + 8q + -16 + -8q Combine like terms: 16q + -8q = 8q -16 + 8q + 4q2 = 16 + 8q + -16 + -8q Reorder the terms: -16 + 8q + 4q2 = 16 + -16 + 8q + -8q Combine like terms: 16 + -16 = 0 -16 + 8q + 4q2 = 0 + 8q + -8q -16 + 8q + 4q2 = 8q + -8q Combine like terms: 8q + -8q = 0 -16 + 8q + 4q2 = 0 Factor out the Greatest Common Factor (GCF), '4'. 4(-4 + 2q + q2) = 0 Ignore the factor 4.Subproblem 1
Set the factor '(-4 + 2q + q2)' equal to zero and attempt to solve: Simplifying -4 + 2q + q2 = 0 Solving -4 + 2q + q2 = 0 Begin completing the square. Move the constant term to the right: Add '4' to each side of the equation. -4 + 2q + 4 + q2 = 0 + 4 Reorder the terms: -4 + 4 + 2q + q2 = 0 + 4 Combine like terms: -4 + 4 = 0 0 + 2q + q2 = 0 + 4 2q + q2 = 0 + 4 Combine like terms: 0 + 4 = 4 2q + q2 = 4 The q term is 2q. Take half its coefficient (1). Square it (1) and add it to both sides. Add '1' to each side of the equation. 2q + 1 + q2 = 4 + 1 Reorder the terms: 1 + 2q + q2 = 4 + 1 Combine like terms: 4 + 1 = 5 1 + 2q + q2 = 5 Factor a perfect square on the left side: (q + 1)(q + 1) = 5 Calculate the square root of the right side: 2.236067978 Break this problem into two subproblems by setting (q + 1) equal to 2.236067978 and -2.236067978.Subproblem 1
q + 1 = 2.236067978 Simplifying q + 1 = 2.236067978 Reorder the terms: 1 + q = 2.236067978 Solving 1 + q = 2.236067978 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + q = 2.236067978 + -1 Combine like terms: 1 + -1 = 0 0 + q = 2.236067978 + -1 q = 2.236067978 + -1 Combine like terms: 2.236067978 + -1 = 1.236067978 q = 1.236067978 Simplifying q = 1.236067978Subproblem 2
q + 1 = -2.236067978 Simplifying q + 1 = -2.236067978 Reorder the terms: 1 + q = -2.236067978 Solving 1 + q = -2.236067978 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + q = -2.236067978 + -1 Combine like terms: 1 + -1 = 0 0 + q = -2.236067978 + -1 q = -2.236067978 + -1 Combine like terms: -2.236067978 + -1 = -3.236067978 q = -3.236067978 Simplifying q = -3.236067978Solution
The solution to the problem is based on the solutions from the subproblems. q = {1.236067978, -3.236067978}Solution
q = {1.236067978, -3.236067978}
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