x^2=26x+197

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Solution for x^2=26x+197 equation:


Simplifying
x2 = 26x + 197

Reorder the terms:
x2 = 197 + 26x

Solving
x2 = 197 + 26x

Solving for variable 'x'.

Reorder the terms:
-197 + -26x + x2 = 197 + 26x + -197 + -26x

Reorder the terms:
-197 + -26x + x2 = 197 + -197 + 26x + -26x

Combine like terms: 197 + -197 = 0
-197 + -26x + x2 = 0 + 26x + -26x
-197 + -26x + x2 = 26x + -26x

Combine like terms: 26x + -26x = 0
-197 + -26x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '197' to each side of the equation.
-197 + -26x + 197 + x2 = 0 + 197

Reorder the terms:
-197 + 197 + -26x + x2 = 0 + 197

Combine like terms: -197 + 197 = 0
0 + -26x + x2 = 0 + 197
-26x + x2 = 0 + 197

Combine like terms: 0 + 197 = 197
-26x + x2 = 197

The x term is -26x.  Take half its coefficient (-13).
Square it (169) and add it to both sides.

Add '169' to each side of the equation.
-26x + 169 + x2 = 197 + 169

Reorder the terms:
169 + -26x + x2 = 197 + 169

Combine like terms: 197 + 169 = 366
169 + -26x + x2 = 366

Factor a perfect square on the left side:
(x + -13)(x + -13) = 366

Calculate the square root of the right side: 19.13112647

Break this problem into two subproblems by setting 
(x + -13) equal to 19.13112647 and -19.13112647.

Subproblem 1

x + -13 = 19.13112647 Simplifying x + -13 = 19.13112647 Reorder the terms: -13 + x = 19.13112647 Solving -13 + x = 19.13112647 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '13' to each side of the equation. -13 + 13 + x = 19.13112647 + 13 Combine like terms: -13 + 13 = 0 0 + x = 19.13112647 + 13 x = 19.13112647 + 13 Combine like terms: 19.13112647 + 13 = 32.13112647 x = 32.13112647 Simplifying x = 32.13112647

Subproblem 2

x + -13 = -19.13112647 Simplifying x + -13 = -19.13112647 Reorder the terms: -13 + x = -19.13112647 Solving -13 + x = -19.13112647 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '13' to each side of the equation. -13 + 13 + x = -19.13112647 + 13 Combine like terms: -13 + 13 = 0 0 + x = -19.13112647 + 13 x = -19.13112647 + 13 Combine like terms: -19.13112647 + 13 = -6.13112647 x = -6.13112647 Simplifying x = -6.13112647

Solution

The solution to the problem is based on the solutions from the subproblems. x = {32.13112647, -6.13112647}

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