(5v-1)(9-v)=0

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Solution for (5v-1)(9-v)=0 equation:


Simplifying
(5v + -1)(9 + -1v) = 0

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

Multiply (-1 + 5v) * (9 + -1v)
(-1(9 + -1v) + 5v * (9 + -1v)) = 0
((9 * -1 + -1v * -1) + 5v * (9 + -1v)) = 0
((-9 + 1v) + 5v * (9 + -1v)) = 0
(-9 + 1v + (9 * 5v + -1v * 5v)) = 0
(-9 + 1v + (45v + -5v2)) = 0

Combine like terms: 1v + 45v = 46v
(-9 + 46v + -5v2) = 0

Solving
-9 + 46v + -5v2 = 0

Solving for variable 'v'.

Factor a trinomial.
(-9 + v)(1 + -5v) = 0

Subproblem 1

Set the factor '(-9 + v)' equal to zero and attempt to solve: Simplifying -9 + v = 0 Solving -9 + v = 0 Move all terms containing v to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + v = 0 + 9 Combine like terms: -9 + 9 = 0 0 + v = 0 + 9 v = 0 + 9 Combine like terms: 0 + 9 = 9 v = 9 Simplifying v = 9

Subproblem 2

Set the factor '(1 + -5v)' equal to zero and attempt to solve: Simplifying 1 + -5v = 0 Solving 1 + -5v = 0 Move all terms containing v to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -5v = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -5v = 0 + -1 -5v = 0 + -1 Combine like terms: 0 + -1 = -1 -5v = -1 Divide each side by '-5'. v = 0.2 Simplifying v = 0.2

Solution

v = {9, 0.2}

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