x^2-36x+300=0

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Solution for x^2-36x+300=0 equation:


Simplifying
x2 + -36x + 300 = 0

Reorder the terms:
300 + -36x + x2 = 0

Solving
300 + -36x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-300' to each side of the equation.
300 + -36x + -300 + x2 = 0 + -300

Reorder the terms:
300 + -300 + -36x + x2 = 0 + -300

Combine like terms: 300 + -300 = 0
0 + -36x + x2 = 0 + -300
-36x + x2 = 0 + -300

Combine like terms: 0 + -300 = -300
-36x + x2 = -300

The x term is -36x.  Take half its coefficient (-18).
Square it (324) and add it to both sides.

Add '324' to each side of the equation.
-36x + 324 + x2 = -300 + 324

Reorder the terms:
324 + -36x + x2 = -300 + 324

Combine like terms: -300 + 324 = 24
324 + -36x + x2 = 24

Factor a perfect square on the left side:
(x + -18)(x + -18) = 24

Calculate the square root of the right side: 4.898979486

Break this problem into two subproblems by setting 
(x + -18) equal to 4.898979486 and -4.898979486.

Subproblem 1

x + -18 = 4.898979486 Simplifying x + -18 = 4.898979486 Reorder the terms: -18 + x = 4.898979486 Solving -18 + x = 4.898979486 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '18' to each side of the equation. -18 + 18 + x = 4.898979486 + 18 Combine like terms: -18 + 18 = 0 0 + x = 4.898979486 + 18 x = 4.898979486 + 18 Combine like terms: 4.898979486 + 18 = 22.898979486 x = 22.898979486 Simplifying x = 22.898979486

Subproblem 2

x + -18 = -4.898979486 Simplifying x + -18 = -4.898979486 Reorder the terms: -18 + x = -4.898979486 Solving -18 + x = -4.898979486 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '18' to each side of the equation. -18 + 18 + x = -4.898979486 + 18 Combine like terms: -18 + 18 = 0 0 + x = -4.898979486 + 18 x = -4.898979486 + 18 Combine like terms: -4.898979486 + 18 = 13.101020514 x = 13.101020514 Simplifying x = 13.101020514

Solution

The solution to the problem is based on the solutions from the subproblems. x = {22.898979486, 13.101020514}

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