x^2-22x+121=81

Solution for x^2-22x+121=81 equation:

Simplifying
x2 + -22x + 121 = 81

Reorder the terms:
121 + -22x + x2 = 81

Solving
121 + -22x + x2 = 81

Solving for variable 'x'.

Reorder the terms:
121 + -81 + -22x + x2 = 81 + -81

Combine like terms: 121 + -81 = 40
40 + -22x + x2 = 81 + -81

Combine like terms: 81 + -81 = 0
40 + -22x + x2 = 0

Factor a trinomial.
(2 + -1x)(20 + -1x) = 0

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

Simplifying
2 + -1x = 0

Solving
2 + -1x = 0

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

Add '-2' to each side of the equation.
2 + -2 + -1x = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -1x = 0 + -2
-1x = 0 + -2

Combine like terms: 0 + -2 = -2
-1x = -2

Divide each side by '-1'.
x = 2

Simplifying
x = 2
Subproblem 2
Set the factor '(20 + -1x)' equal to zero and attempt to solve:

Simplifying
20 + -1x = 0

Solving
20 + -1x = 0

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

Add '-20' to each side of the equation.
20 + -20 + -1x = 0 + -20

Combine like terms: 20 + -20 = 0
0 + -1x = 0 + -20
-1x = 0 + -20

Combine like terms: 0 + -20 = -20
-1x = -20

Divide each side by '-1'.
x = 20

Simplifying
x = 20
Solution
x = {2, 20}