x*x-1800x+800000=0

Solution for x*x-1800x+800000=0 equation:

Simplifying
x * x + -1800x + 800000 = 0

Multiply x * x
x2 + -1800x + 800000 = 0

Reorder the terms:
800000 + -1800x + x2 = 0

Solving
800000 + -1800x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(800 + -1x)(1000 + -1x) = 0

Subproblem 1
Set the factor '(800 + -1x)' equal to zero and attempt to solve:

Simplifying
800 + -1x = 0

Solving
800 + -1x = 0

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

Add '-800' to each side of the equation.
800 + -800 + -1x = 0 + -800

Combine like terms: 800 + -800 = 0
0 + -1x = 0 + -800
-1x = 0 + -800

Combine like terms: 0 + -800 = -800
-1x = -800

Divide each side by '-1'.
x = 800

Simplifying
x = 800
Subproblem 2
Set the factor '(1000 + -1x)' equal to zero and attempt to solve:

Simplifying
1000 + -1x = 0

Solving
1000 + -1x = 0

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

Add '-1000' to each side of the equation.
1000 + -1000 + -1x = 0 + -1000

Combine like terms: 1000 + -1000 = 0
0 + -1x = 0 + -1000
-1x = 0 + -1000

Combine like terms: 0 + -1000 = -1000
-1x = -1000

Divide each side by '-1'.
x = 1000

Simplifying
x = 1000
Solution
x = {800, 1000}