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

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


Simplifying
(9 + -1u)(5u + -8) = 0

Reorder the terms:
(9 + -1u)(-8 + 5u) = 0

Multiply (9 + -1u) * (-8 + 5u)
(9(-8 + 5u) + -1u * (-8 + 5u)) = 0
((-8 * 9 + 5u * 9) + -1u * (-8 + 5u)) = 0
((-72 + 45u) + -1u * (-8 + 5u)) = 0
(-72 + 45u + (-8 * -1u + 5u * -1u)) = 0
(-72 + 45u + (8u + -5u2)) = 0

Combine like terms: 45u + 8u = 53u
(-72 + 53u + -5u2) = 0

Solving
-72 + 53u + -5u2 = 0

Solving for variable 'u'.

Factor a trinomial.
(-9 + u)(8 + -5u) = 0

Subproblem 1

Set the factor '(-9 + u)' equal to zero and attempt to solve: Simplifying -9 + u = 0 Solving -9 + u = 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 + u = 0 + 9 Combine like terms: -9 + 9 = 0 0 + u = 0 + 9 u = 0 + 9 Combine like terms: 0 + 9 = 9 u = 9 Simplifying u = 9

Subproblem 2

Set the factor '(8 + -5u)' equal to zero and attempt to solve: Simplifying 8 + -5u = 0 Solving 8 + -5u = 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 + -5u = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -5u = 0 + -8 -5u = 0 + -8 Combine like terms: 0 + -8 = -8 -5u = -8 Divide each side by '-5'. u = 1.6 Simplifying u = 1.6

Solution

u = {9, 1.6}

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