x^2+18x+53=594

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Solution for x^2+18x+53=594 equation:


Simplifying
x2 + 18x + 53 = 594

Reorder the terms:
53 + 18x + x2 = 594

Solving
53 + 18x + x2 = 594

Solving for variable 'x'.

Reorder the terms:
53 + -594 + 18x + x2 = 594 + -594

Combine like terms: 53 + -594 = -541
-541 + 18x + x2 = 594 + -594

Combine like terms: 594 + -594 = 0
-541 + 18x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '541' to each side of the equation.
-541 + 18x + 541 + x2 = 0 + 541

Reorder the terms:
-541 + 541 + 18x + x2 = 0 + 541

Combine like terms: -541 + 541 = 0
0 + 18x + x2 = 0 + 541
18x + x2 = 0 + 541

Combine like terms: 0 + 541 = 541
18x + x2 = 541

The x term is 18x.  Take half its coefficient (9).
Square it (81) and add it to both sides.

Add '81' to each side of the equation.
18x + 81 + x2 = 541 + 81

Reorder the terms:
81 + 18x + x2 = 541 + 81

Combine like terms: 541 + 81 = 622
81 + 18x + x2 = 622

Factor a perfect square on the left side:
(x + 9)(x + 9) = 622

Calculate the square root of the right side: 24.939927827

Break this problem into two subproblems by setting 
(x + 9) equal to 24.939927827 and -24.939927827.

Subproblem 1

x + 9 = 24.939927827 Simplifying x + 9 = 24.939927827 Reorder the terms: 9 + x = 24.939927827 Solving 9 + x = 24.939927827 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + x = 24.939927827 + -9 Combine like terms: 9 + -9 = 0 0 + x = 24.939927827 + -9 x = 24.939927827 + -9 Combine like terms: 24.939927827 + -9 = 15.939927827 x = 15.939927827 Simplifying x = 15.939927827

Subproblem 2

x + 9 = -24.939927827 Simplifying x + 9 = -24.939927827 Reorder the terms: 9 + x = -24.939927827 Solving 9 + x = -24.939927827 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + x = -24.939927827 + -9 Combine like terms: 9 + -9 = 0 0 + x = -24.939927827 + -9 x = -24.939927827 + -9 Combine like terms: -24.939927827 + -9 = -33.939927827 x = -33.939927827 Simplifying x = -33.939927827

Solution

The solution to the problem is based on the solutions from the subproblems. x = {15.939927827, -33.939927827}

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