x^2-126x-9720=0

Solution for x^2-126x-9720=0 equation:

Simplifying
x2 + -126x + -9720 = 0

Reorder the terms:
-9720 + -126x + x2 = 0

Solving
-9720 + -126x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-54 + -1x)(180 + -1x) = 0

Subproblem 1
Set the factor '(-54 + -1x)' equal to zero and attempt to solve:

Simplifying
-54 + -1x = 0

Solving
-54 + -1x = 0

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

Add '54' to each side of the equation.
-54 + 54 + -1x = 0 + 54

Combine like terms: -54 + 54 = 0
0 + -1x = 0 + 54
-1x = 0 + 54

Combine like terms: 0 + 54 = 54
-1x = 54

Divide each side by '-1'.
x = -54

Simplifying
x = -54
Subproblem 2
Set the factor '(180 + -1x)' equal to zero and attempt to solve:

Simplifying
180 + -1x = 0

Solving
180 + -1x = 0

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

Add '-180' to each side of the equation.
180 + -180 + -1x = 0 + -180

Combine like terms: 180 + -180 = 0
0 + -1x = 0 + -180
-1x = 0 + -180

Combine like terms: 0 + -180 = -180
-1x = -180

Divide each side by '-1'.
x = 180

Simplifying
x = 180
Solution
x = {-54, 180}