x^2-4x-9996=0

Solution for x^2-4x-9996=0 equation:

Simplifying
x2 + -4x + -9996 = 0

Reorder the terms:
-9996 + -4x + x2 = 0

Solving
-9996 + -4x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-98 + -1x)(102 + -1x) = 0

Subproblem 1
Set the factor '(-98 + -1x)' equal to zero and attempt to solve:

Simplifying
-98 + -1x = 0

Solving
-98 + -1x = 0

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

Add '98' to each side of the equation.
-98 + 98 + -1x = 0 + 98

Combine like terms: -98 + 98 = 0
0 + -1x = 0 + 98
-1x = 0 + 98

Combine like terms: 0 + 98 = 98
-1x = 98

Divide each side by '-1'.
x = -98

Simplifying
x = -98
Subproblem 2
Set the factor '(102 + -1x)' equal to zero and attempt to solve:

Simplifying
102 + -1x = 0

Solving
102 + -1x = 0

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

Add '-102' to each side of the equation.
102 + -102 + -1x = 0 + -102

Combine like terms: 102 + -102 = 0
0 + -1x = 0 + -102
-1x = 0 + -102

Combine like terms: 0 + -102 = -102
-1x = -102

Divide each side by '-1'.
x = 102

Simplifying
x = 102
Solution
x = {-98, 102}