x^2-28x-2=-50

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Solution for x^2-28x-2=-50 equation:


Simplifying
x2 + -28x + -2 = -50

Reorder the terms:
-2 + -28x + x2 = -50

Solving
-2 + -28x + x2 = -50

Solving for variable 'x'.

Reorder the terms:
-2 + 50 + -28x + x2 = -50 + 50

Combine like terms: -2 + 50 = 48
48 + -28x + x2 = -50 + 50

Combine like terms: -50 + 50 = 0
48 + -28x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-48' to each side of the equation.
48 + -28x + -48 + x2 = 0 + -48

Reorder the terms:
48 + -48 + -28x + x2 = 0 + -48

Combine like terms: 48 + -48 = 0
0 + -28x + x2 = 0 + -48
-28x + x2 = 0 + -48

Combine like terms: 0 + -48 = -48
-28x + x2 = -48

The x term is -28x.  Take half its coefficient (-14).
Square it (196) and add it to both sides.

Add '196' to each side of the equation.
-28x + 196 + x2 = -48 + 196

Reorder the terms:
196 + -28x + x2 = -48 + 196

Combine like terms: -48 + 196 = 148
196 + -28x + x2 = 148

Factor a perfect square on the left side:
(x + -14)(x + -14) = 148

Calculate the square root of the right side: 12.165525061

Break this problem into two subproblems by setting 
(x + -14) equal to 12.165525061 and -12.165525061.

Subproblem 1

x + -14 = 12.165525061 Simplifying x + -14 = 12.165525061 Reorder the terms: -14 + x = 12.165525061 Solving -14 + x = 12.165525061 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '14' to each side of the equation. -14 + 14 + x = 12.165525061 + 14 Combine like terms: -14 + 14 = 0 0 + x = 12.165525061 + 14 x = 12.165525061 + 14 Combine like terms: 12.165525061 + 14 = 26.165525061 x = 26.165525061 Simplifying x = 26.165525061

Subproblem 2

x + -14 = -12.165525061 Simplifying x + -14 = -12.165525061 Reorder the terms: -14 + x = -12.165525061 Solving -14 + x = -12.165525061 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '14' to each side of the equation. -14 + 14 + x = -12.165525061 + 14 Combine like terms: -14 + 14 = 0 0 + x = -12.165525061 + 14 x = -12.165525061 + 14 Combine like terms: -12.165525061 + 14 = 1.834474939 x = 1.834474939 Simplifying x = 1.834474939

Solution

The solution to the problem is based on the solutions from the subproblems. x = {26.165525061, 1.834474939}

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