x^2-22x-20=-140

Solution for x^2-22x-20=-140 equation:

Simplifying
x2 + -22x + -20 = -140

Reorder the terms:
-20 + -22x + x2 = -140

Solving
-20 + -22x + x2 = -140

Solving for variable 'x'.

Reorder the terms:
-20 + 140 + -22x + x2 = -140 + 140

Combine like terms: -20 + 140 = 120
120 + -22x + x2 = -140 + 140

Combine like terms: -140 + 140 = 0
120 + -22x + x2 = 0

Factor a trinomial.
(10 + -1x)(12 + -1x) = 0

Subproblem 1
Set the factor '(10 + -1x)' equal to zero and attempt to solve:

Simplifying
10 + -1x = 0

Solving
10 + -1x = 0

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

Add '-10' to each side of the equation.
10 + -10 + -1x = 0 + -10

Combine like terms: 10 + -10 = 0
0 + -1x = 0 + -10
-1x = 0 + -10

Combine like terms: 0 + -10 = -10
-1x = -10

Divide each side by '-1'.
x = 10

Simplifying
x = 10
Subproblem 2
Set the factor '(12 + -1x)' equal to zero and attempt to solve:

Simplifying
12 + -1x = 0

Solving
12 + -1x = 0

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

Add '-12' to each side of the equation.
12 + -12 + -1x = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -1x = 0 + -12
-1x = 0 + -12

Combine like terms: 0 + -12 = -12
-1x = -12

Divide each side by '-1'.
x = 12

Simplifying
x = 12
Solution
x = {10, 12}