x^2-56x+167=43

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Solution for x^2-56x+167=43 equation:


Simplifying
x2 + -56x + 167 = 43

Reorder the terms:
167 + -56x + x2 = 43

Solving
167 + -56x + x2 = 43

Solving for variable 'x'.

Reorder the terms:
167 + -43 + -56x + x2 = 43 + -43

Combine like terms: 167 + -43 = 124
124 + -56x + x2 = 43 + -43

Combine like terms: 43 + -43 = 0
124 + -56x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-124' to each side of the equation.
124 + -56x + -124 + x2 = 0 + -124

Reorder the terms:
124 + -124 + -56x + x2 = 0 + -124

Combine like terms: 124 + -124 = 0
0 + -56x + x2 = 0 + -124
-56x + x2 = 0 + -124

Combine like terms: 0 + -124 = -124
-56x + x2 = -124

The x term is -56x.  Take half its coefficient (-28).
Square it (784) and add it to both sides.

Add '784' to each side of the equation.
-56x + 784 + x2 = -124 + 784

Reorder the terms:
784 + -56x + x2 = -124 + 784

Combine like terms: -124 + 784 = 660
784 + -56x + x2 = 660

Factor a perfect square on the left side:
(x + -28)(x + -28) = 660

Calculate the square root of the right side: 25.690465157

Break this problem into two subproblems by setting 
(x + -28) equal to 25.690465157 and -25.690465157.

Subproblem 1

x + -28 = 25.690465157 Simplifying x + -28 = 25.690465157 Reorder the terms: -28 + x = 25.690465157 Solving -28 + x = 25.690465157 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '28' to each side of the equation. -28 + 28 + x = 25.690465157 + 28 Combine like terms: -28 + 28 = 0 0 + x = 25.690465157 + 28 x = 25.690465157 + 28 Combine like terms: 25.690465157 + 28 = 53.690465157 x = 53.690465157 Simplifying x = 53.690465157

Subproblem 2

x + -28 = -25.690465157 Simplifying x + -28 = -25.690465157 Reorder the terms: -28 + x = -25.690465157 Solving -28 + x = -25.690465157 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '28' to each side of the equation. -28 + 28 + x = -25.690465157 + 28 Combine like terms: -28 + 28 = 0 0 + x = -25.690465157 + 28 x = -25.690465157 + 28 Combine like terms: -25.690465157 + 28 = 2.309534843 x = 2.309534843 Simplifying x = 2.309534843

Solution

The solution to the problem is based on the solutions from the subproblems. x = {53.690465157, 2.309534843}

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