v^2-2v-99=0

Solution for v^2-2v-99=0 equation:

Simplifying
v2 + -2v + -99 = 0

Reorder the terms:
-99 + -2v + v2 = 0

Solving
-99 + -2v + v2 = 0

Solving for variable 'v'.

Factor a trinomial.
(-9 + -1v)(11 + -1v) = 0

Subproblem 1
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
Subproblem 2
Set the factor '(11 + -1v)' equal to zero and attempt to solve:

Simplifying
11 + -1v = 0

Solving
11 + -1v = 0

Move all terms containing v to the left, all other terms to the right.

Add '-11' to each side of the equation.
11 + -11 + -1v = 0 + -11

Combine like terms: 11 + -11 = 0
0 + -1v = 0 + -11
-1v = 0 + -11

Combine like terms: 0 + -11 = -11
-1v = -11

Divide each side by '-1'.
v = 11

Simplifying
v = 11
Solution
v = {-9, 11}