(3u-4)(8-u)=0

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Solution for (3u-4)(8-u)=0 equation:


Simplifying
(3u + -4)(8 + -1u) = 0

Reorder the terms:
(-4 + 3u)(8 + -1u) = 0

Multiply (-4 + 3u) * (8 + -1u)
(-4(8 + -1u) + 3u * (8 + -1u)) = 0
((8 * -4 + -1u * -4) + 3u * (8 + -1u)) = 0
((-32 + 4u) + 3u * (8 + -1u)) = 0
(-32 + 4u + (8 * 3u + -1u * 3u)) = 0
(-32 + 4u + (24u + -3u2)) = 0

Combine like terms: 4u + 24u = 28u
(-32 + 28u + -3u2) = 0

Solving
-32 + 28u + -3u2 = 0

Solving for variable 'u'.

Factor a trinomial.
(-8 + u)(4 + -3u) = 0

Subproblem 1

Set the factor '(-8 + u)' equal to zero and attempt to solve: Simplifying -8 + u = 0 Solving -8 + u = 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 + u = 0 + 8 Combine like terms: -8 + 8 = 0 0 + u = 0 + 8 u = 0 + 8 Combine like terms: 0 + 8 = 8 u = 8 Simplifying u = 8

Subproblem 2

Set the factor '(4 + -3u)' equal to zero and attempt to solve: Simplifying 4 + -3u = 0 Solving 4 + -3u = 0 Move all terms containing u to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -3u = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -3u = 0 + -4 -3u = 0 + -4 Combine like terms: 0 + -4 = -4 -3u = -4 Divide each side by '-3'. u = 1.333333333 Simplifying u = 1.333333333

Solution

u = {8, 1.333333333}

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