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

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Solution for (8+u)(3u-1)=0 equation:


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

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

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

Combine like terms: 24u + -1u = 23u
(-8 + 23u + 3u2) = 0

Solving
-8 + 23u + 3u2 = 0

Solving for variable 'u'.

Factor a trinomial.
(-8 + -1u)(1 + -3u) = 0

Subproblem 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 = -8

Subproblem 2

Set the factor '(1 + -3u)' equal to zero and attempt to solve: Simplifying 1 + -3u = 0 Solving 1 + -3u = 0 Move all terms containing u to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -3u = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -3u = 0 + -1 -3u = 0 + -1 Combine like terms: 0 + -1 = -1 -3u = -1 Divide each side by '-3'. u = 0.3333333333 Simplifying u = 0.3333333333

Solution

u = {-8, 0.3333333333}

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