5v^2-21=32v

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Solution for 5v^2-21=32v equation:


Simplifying
5v2 + -21 = 32v

Reorder the terms:
-21 + 5v2 = 32v

Solving
-21 + 5v2 = 32v

Solving for variable 'v'.

Reorder the terms:
-21 + -32v + 5v2 = 32v + -32v

Combine like terms: 32v + -32v = 0
-21 + -32v + 5v2 = 0

Factor a trinomial.
(-3 + -5v)(7 + -1v) = 0

Subproblem 1

Set the factor '(-3 + -5v)' equal to zero and attempt to solve: Simplifying -3 + -5v = 0 Solving -3 + -5v = 0 Move all terms containing v to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -5v = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -5v = 0 + 3 -5v = 0 + 3 Combine like terms: 0 + 3 = 3 -5v = 3 Divide each side by '-5'. v = -0.6 Simplifying v = -0.6

Subproblem 2

Set the factor '(7 + -1v)' equal to zero and attempt to solve: Simplifying 7 + -1v = 0 Solving 7 + -1v = 0 Move all terms containing v to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1v = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1v = 0 + -7 -1v = 0 + -7 Combine like terms: 0 + -7 = -7 -1v = -7 Divide each side by '-1'. v = 7 Simplifying v = 7

Solution

v = {-0.6, 7}

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