x^2-52x+165=0

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Solution for x^2-52x+165=0 equation:


Simplifying
x2 + -52x + 165 = 0

Reorder the terms:
165 + -52x + x2 = 0

Solving
165 + -52x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-165' to each side of the equation.
165 + -52x + -165 + x2 = 0 + -165

Reorder the terms:
165 + -165 + -52x + x2 = 0 + -165

Combine like terms: 165 + -165 = 0
0 + -52x + x2 = 0 + -165
-52x + x2 = 0 + -165

Combine like terms: 0 + -165 = -165
-52x + x2 = -165

The x term is -52x.  Take half its coefficient (-26).
Square it (676) and add it to both sides.

Add '676' to each side of the equation.
-52x + 676 + x2 = -165 + 676

Reorder the terms:
676 + -52x + x2 = -165 + 676

Combine like terms: -165 + 676 = 511
676 + -52x + x2 = 511

Factor a perfect square on the left side:
(x + -26)(x + -26) = 511

Calculate the square root of the right side: 22.605309111

Break this problem into two subproblems by setting 
(x + -26) equal to 22.605309111 and -22.605309111.

Subproblem 1

x + -26 = 22.605309111 Simplifying x + -26 = 22.605309111 Reorder the terms: -26 + x = 22.605309111 Solving -26 + x = 22.605309111 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '26' to each side of the equation. -26 + 26 + x = 22.605309111 + 26 Combine like terms: -26 + 26 = 0 0 + x = 22.605309111 + 26 x = 22.605309111 + 26 Combine like terms: 22.605309111 + 26 = 48.605309111 x = 48.605309111 Simplifying x = 48.605309111

Subproblem 2

x + -26 = -22.605309111 Simplifying x + -26 = -22.605309111 Reorder the terms: -26 + x = -22.605309111 Solving -26 + x = -22.605309111 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '26' to each side of the equation. -26 + 26 + x = -22.605309111 + 26 Combine like terms: -26 + 26 = 0 0 + x = -22.605309111 + 26 x = -22.605309111 + 26 Combine like terms: -22.605309111 + 26 = 3.394690889 x = 3.394690889 Simplifying x = 3.394690889

Solution

The solution to the problem is based on the solutions from the subproblems. x = {48.605309111, 3.394690889}

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