x^2-24x+144=900

Solution for x^2-24x+144=900 equation:

Simplifying
x2 + -24x + 144 = 900

Reorder the terms:
144 + -24x + x2 = 900

Solving
144 + -24x + x2 = 900

Solving for variable 'x'.

Reorder the terms:
144 + -900 + -24x + x2 = 900 + -900

Combine like terms: 144 + -900 = -756
-756 + -24x + x2 = 900 + -900

Combine like terms: 900 + -900 = 0
-756 + -24x + x2 = 0

Factor a trinomial.
(-18 + -1x)(42 + -1x) = 0

Subproblem 1
Set the factor '(-18 + -1x)' equal to zero and attempt to solve:

Simplifying
-18 + -1x = 0

Solving
-18 + -1x = 0

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

Add '18' to each side of the equation.
-18 + 18 + -1x = 0 + 18

Combine like terms: -18 + 18 = 0
0 + -1x = 0 + 18
-1x = 0 + 18

Combine like terms: 0 + 18 = 18
-1x = 18

Divide each side by '-1'.
x = -18

Simplifying
x = -18
Subproblem 2
Set the factor '(42 + -1x)' equal to zero and attempt to solve:

Simplifying
42 + -1x = 0

Solving
42 + -1x = 0

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

Add '-42' to each side of the equation.
42 + -42 + -1x = 0 + -42

Combine like terms: 42 + -42 = 0
0 + -1x = 0 + -42
-1x = 0 + -42

Combine like terms: 0 + -42 = -42
-1x = -42

Divide each side by '-1'.
x = 42

Simplifying
x = 42
Solution
x = {-18, 42}