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Simplifying u2 = 6u + 16 Reorder the terms: u2 = 16 + 6u Solving u2 = 16 + 6u Solving for variable 'u'. Reorder the terms: -16 + -6u + u2 = 16 + 6u + -16 + -6u Reorder the terms: -16 + -6u + u2 = 16 + -16 + 6u + -6u Combine like terms: 16 + -16 = 0 -16 + -6u + u2 = 0 + 6u + -6u -16 + -6u + u2 = 6u + -6u Combine like terms: 6u + -6u = 0 -16 + -6u + u2 = 0 Factor a trinomial. (-2 + -1u)(8 + -1u) = 0Subproblem 1
Set the factor '(-2 + -1u)' equal to zero and attempt to solve: Simplifying -2 + -1u = 0 Solving -2 + -1u = 0 Move all terms containing u to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1u = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1u = 0 + 2 -1u = 0 + 2 Combine like terms: 0 + 2 = 2 -1u = 2 Divide each side by '-1'. u = -2 Simplifying u = -2Subproblem 2
Set the factor '(8 + -1u)' equal to zero and attempt to solve: Simplifying 8 + -1u = 0 Solving 8 + -1u = 0 Move all terms containing u to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1u = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1u = 0 + -8 -1u = 0 + -8 Combine like terms: 0 + -8 = -8 -1u = -8 Divide each side by '-1'. u = 8 Simplifying u = 8Solution
u = {-2, 8}
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