(5u+9)(8+u)=0

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Solution for (5u+9)(8+u)=0 equation:


Simplifying
(5u + 9)(8 + u) = 0

Reorder the terms:
(9 + 5u)(8 + u) = 0

Multiply (9 + 5u) * (8 + u)
(9(8 + u) + 5u * (8 + u)) = 0
((8 * 9 + u * 9) + 5u * (8 + u)) = 0
((72 + 9u) + 5u * (8 + u)) = 0
(72 + 9u + (8 * 5u + u * 5u)) = 0
(72 + 9u + (40u + 5u2)) = 0

Combine like terms: 9u + 40u = 49u
(72 + 49u + 5u2) = 0

Solving
72 + 49u + 5u2 = 0

Solving for variable 'u'.

Factor a trinomial.
(8 + u)(9 + 5u) = 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 '(9 + 5u)' equal to zero and attempt to solve: Simplifying 9 + 5u = 0 Solving 9 + 5u = 0 Move all terms containing u to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 5u = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 5u = 0 + -9 5u = 0 + -9 Combine like terms: 0 + -9 = -9 5u = -9 Divide each side by '5'. u = -1.8 Simplifying u = -1.8

Solution

u = {-8, -1.8}

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