(3u+2)(8-u)=0

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Solution for (3u+2)(8-u)=0 equation: 


Simplifying
(3u + 2)(8 + -1u) = 0

Reorder the terms:
(2 + 3u)(8 + -1u) = 0

Multiply (2 + 3u) * (8 + -1u)
(2(8 + -1u) + 3u * (8 + -1u)) = 0
((8 * 2 + -1u * 2) + 3u * (8 + -1u)) = 0
((16 + -2u) + 3u * (8 + -1u)) = 0
(16 + -2u + (8 * 3u + -1u * 3u)) = 0
(16 + -2u + (24u + -3u2)) = 0

Combine like terms: -2u + 24u = 22u
(16 + 22u + -3u2) = 0

Solving
16 + 22u + -3u2 = 0

Solving for variable 'u'.

Factor a trinomial.
(8 + -1u)(2 + 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 '(2 + 3u)' equal to zero and attempt to solve:

Simplifying
2 + 3u = 0

Solving
2 + 3u = 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 + 3u = 0 + -2

Combine like terms: 2 + -2 = 0
0 + 3u = 0 + -2
3u = 0 + -2

Combine like terms: 0 + -2 = -2
3u = -2

Divide each side by '3'.
u = -0.6666666667

Simplifying
u = -0.6666666667
Solution
u = {8, -0.6666666667}

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