(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 = 25u
(8 + 25u + 3u2) = 0

Solving
8 + 25u + 3u2 = 0

Solving for variable 'u'.

Factor a trinomial.
(8 + u)(1 + 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 '(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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