(x+30)x=1800

Solution for (x+30)x=1800 equation:

Simplifying
(x + 30) * x = 1800

Reorder the terms:
(30 + x) * x = 1800

Reorder the terms for easier multiplication:
x(30 + x) = 1800
(30 * x + x * x) = 1800
(30x + x2) = 1800

Solving
30x + x2 = 1800

Solving for variable 'x'.

Reorder the terms:
-1800 + 30x + x2 = 1800 + -1800

Combine like terms: 1800 + -1800 = 0
-1800 + 30x + x2 = 0

Factor a trinomial.
(-60 + -1x)(30 + -1x) = 0

Subproblem 1
Set the factor '(-60 + -1x)' equal to zero and attempt to solve:

Simplifying
-60 + -1x = 0

Solving
-60 + -1x = 0

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

Add '60' to each side of the equation.
-60 + 60 + -1x = 0 + 60

Combine like terms: -60 + 60 = 0
0 + -1x = 0 + 60
-1x = 0 + 60

Combine like terms: 0 + 60 = 60
-1x = 60

Divide each side by '-1'.
x = -60

Simplifying
x = -60
Subproblem 2
Set the factor '(30 + -1x)' equal to zero and attempt to solve:

Simplifying
30 + -1x = 0

Solving
30 + -1x = 0

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

Add '-30' to each side of the equation.
30 + -30 + -1x = 0 + -30

Combine like terms: 30 + -30 = 0
0 + -1x = 0 + -30
-1x = 0 + -30

Combine like terms: 0 + -30 = -30
-1x = -30

Divide each side by '-1'.
x = 30

Simplifying
x = 30
Solution
x = {-60, 30}