v^2-v=4v+36

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Solution for v^2-v=4v+36 equation:


Simplifying
v2 + -1v = 4v + 36

Reorder the terms:
-1v + v2 = 4v + 36

Reorder the terms:
-1v + v2 = 36 + 4v

Solving
-1v + v2 = 36 + 4v

Solving for variable 'v'.

Reorder the terms:
-36 + -1v + -4v + v2 = 36 + 4v + -36 + -4v

Combine like terms: -1v + -4v = -5v
-36 + -5v + v2 = 36 + 4v + -36 + -4v

Reorder the terms:
-36 + -5v + v2 = 36 + -36 + 4v + -4v

Combine like terms: 36 + -36 = 0
-36 + -5v + v2 = 0 + 4v + -4v
-36 + -5v + v2 = 4v + -4v

Combine like terms: 4v + -4v = 0
-36 + -5v + v2 = 0

Factor a trinomial.
(-4 + -1v)(9 + -1v) = 0

Subproblem 1

Set the factor '(-4 + -1v)' equal to zero and attempt to solve: Simplifying -4 + -1v = 0 Solving -4 + -1v = 0 Move all terms containing v to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1v = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1v = 0 + 4 -1v = 0 + 4 Combine like terms: 0 + 4 = 4 -1v = 4 Divide each side by '-1'. v = -4 Simplifying v = -4

Subproblem 2

Set the factor '(9 + -1v)' equal to zero and attempt to solve: Simplifying 9 + -1v = 0 Solving 9 + -1v = 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 + -1v = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1v = 0 + -9 -1v = 0 + -9 Combine like terms: 0 + -9 = -9 -1v = -9 Divide each side by '-1'. v = 9 Simplifying v = 9

Solution

v = {-4, 9}

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