5v^2-2=9v

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Solution for 5v^2-2=9v equation:


Simplifying
5v2 + -2 = 9v

Reorder the terms:
-2 + 5v2 = 9v

Solving
-2 + 5v2 = 9v

Solving for variable 'v'.

Reorder the terms:
-2 + -9v + 5v2 = 9v + -9v

Combine like terms: 9v + -9v = 0
-2 + -9v + 5v2 = 0

Factor a trinomial.
(-1 + -5v)(2 + -1v) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(2 + -1v)' equal to zero and attempt to solve: Simplifying 2 + -1v = 0 Solving 2 + -1v = 0 Move all terms containing v to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1v = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1v = 0 + -2 -1v = 0 + -2 Combine like terms: 0 + -2 = -2 -1v = -2 Divide each side by '-1'. v = 2 Simplifying v = 2

Solution

v = {-0.2, 2}

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