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Simplifying (2u + -5)(8 + u) = 0 Reorder the terms: (-5 + 2u)(8 + u) = 0 Multiply (-5 + 2u) * (8 + u) (-5(8 + u) + 2u * (8 + u)) = 0 ((8 * -5 + u * -5) + 2u * (8 + u)) = 0 ((-40 + -5u) + 2u * (8 + u)) = 0 (-40 + -5u + (8 * 2u + u * 2u)) = 0 (-40 + -5u + (16u + 2u2)) = 0 Combine like terms: -5u + 16u = 11u (-40 + 11u + 2u2) = 0 Solving -40 + 11u + 2u2 = 0 Solving for variable 'u'. Factor a trinomial. (-8 + -1u)(5 + -2u) = 0Subproblem 1
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 = -8Subproblem 2
Set the factor '(5 + -2u)' equal to zero and attempt to solve: Simplifying 5 + -2u = 0 Solving 5 + -2u = 0 Move all terms containing u to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -2u = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -2u = 0 + -5 -2u = 0 + -5 Combine like terms: 0 + -5 = -5 -2u = -5 Divide each side by '-2'. u = 2.5 Simplifying u = 2.5Solution
u = {-8, 2.5}
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