x^2-46x+39=0

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Solution for x^2-46x+39=0 equation:


Simplifying
x2 + -46x + 39 = 0

Reorder the terms:
39 + -46x + x2 = 0

Solving
39 + -46x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-39' to each side of the equation.
39 + -46x + -39 + x2 = 0 + -39

Reorder the terms:
39 + -39 + -46x + x2 = 0 + -39

Combine like terms: 39 + -39 = 0
0 + -46x + x2 = 0 + -39
-46x + x2 = 0 + -39

Combine like terms: 0 + -39 = -39
-46x + x2 = -39

The x term is -46x.  Take half its coefficient (-23).
Square it (529) and add it to both sides.

Add '529' to each side of the equation.
-46x + 529 + x2 = -39 + 529

Reorder the terms:
529 + -46x + x2 = -39 + 529

Combine like terms: -39 + 529 = 490
529 + -46x + x2 = 490

Factor a perfect square on the left side:
(x + -23)(x + -23) = 490

Calculate the square root of the right side: 22.135943621

Break this problem into two subproblems by setting 
(x + -23) equal to 22.135943621 and -22.135943621.

Subproblem 1

x + -23 = 22.135943621 Simplifying x + -23 = 22.135943621 Reorder the terms: -23 + x = 22.135943621 Solving -23 + x = 22.135943621 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '23' to each side of the equation. -23 + 23 + x = 22.135943621 + 23 Combine like terms: -23 + 23 = 0 0 + x = 22.135943621 + 23 x = 22.135943621 + 23 Combine like terms: 22.135943621 + 23 = 45.135943621 x = 45.135943621 Simplifying x = 45.135943621

Subproblem 2

x + -23 = -22.135943621 Simplifying x + -23 = -22.135943621 Reorder the terms: -23 + x = -22.135943621 Solving -23 + x = -22.135943621 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '23' to each side of the equation. -23 + 23 + x = -22.135943621 + 23 Combine like terms: -23 + 23 = 0 0 + x = -22.135943621 + 23 x = -22.135943621 + 23 Combine like terms: -22.135943621 + 23 = 0.864056379 x = 0.864056379 Simplifying x = 0.864056379

Solution

The solution to the problem is based on the solutions from the subproblems. x = {45.135943621, 0.864056379}

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