x^2-15x+52=0

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Solution for x^2-15x+52=0 equation:


Simplifying
x2 + -15x + 52 = 0

Reorder the terms:
52 + -15x + x2 = 0

Solving
52 + -15x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-52' to each side of the equation.
52 + -15x + -52 + x2 = 0 + -52

Reorder the terms:
52 + -52 + -15x + x2 = 0 + -52

Combine like terms: 52 + -52 = 0
0 + -15x + x2 = 0 + -52
-15x + x2 = 0 + -52

Combine like terms: 0 + -52 = -52
-15x + x2 = -52

The x term is -15x.  Take half its coefficient (-7.5).
Square it (56.25) and add it to both sides.

Add '56.25' to each side of the equation.
-15x + 56.25 + x2 = -52 + 56.25

Reorder the terms:
56.25 + -15x + x2 = -52 + 56.25

Combine like terms: -52 + 56.25 = 4.25
56.25 + -15x + x2 = 4.25

Factor a perfect square on the left side:
(x + -7.5)(x + -7.5) = 4.25

Calculate the square root of the right side: 2.061552813

Break this problem into two subproblems by setting 
(x + -7.5) equal to 2.061552813 and -2.061552813.

Subproblem 1

x + -7.5 = 2.061552813 Simplifying x + -7.5 = 2.061552813 Reorder the terms: -7.5 + x = 2.061552813 Solving -7.5 + x = 2.061552813 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7.5' to each side of the equation. -7.5 + 7.5 + x = 2.061552813 + 7.5 Combine like terms: -7.5 + 7.5 = 0.0 0.0 + x = 2.061552813 + 7.5 x = 2.061552813 + 7.5 Combine like terms: 2.061552813 + 7.5 = 9.561552813 x = 9.561552813 Simplifying x = 9.561552813

Subproblem 2

x + -7.5 = -2.061552813 Simplifying x + -7.5 = -2.061552813 Reorder the terms: -7.5 + x = -2.061552813 Solving -7.5 + x = -2.061552813 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7.5' to each side of the equation. -7.5 + 7.5 + x = -2.061552813 + 7.5 Combine like terms: -7.5 + 7.5 = 0.0 0.0 + x = -2.061552813 + 7.5 x = -2.061552813 + 7.5 Combine like terms: -2.061552813 + 7.5 = 5.438447187 x = 5.438447187 Simplifying x = 5.438447187

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.561552813, 5.438447187}

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