x^2+26x-2=0

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Solution for x^2+26x-2=0 equation:


Simplifying
x2 + 26x + -2 = 0

Reorder the terms:
-2 + 26x + x2 = 0

Solving
-2 + 26x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '2' to each side of the equation.
-2 + 26x + 2 + x2 = 0 + 2

Reorder the terms:
-2 + 2 + 26x + x2 = 0 + 2

Combine like terms: -2 + 2 = 0
0 + 26x + x2 = 0 + 2
26x + x2 = 0 + 2

Combine like terms: 0 + 2 = 2
26x + x2 = 2

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 = 2 + 169

Reorder the terms:
169 + 26x + x2 = 2 + 169

Combine like terms: 2 + 169 = 171
169 + 26x + x2 = 171

Factor a perfect square on the left side:
(x + 13)(x + 13) = 171

Calculate the square root of the right side: 13.076696831

Break this problem into two subproblems by setting 
(x + 13) equal to 13.076696831 and -13.076696831.

Subproblem 1

x + 13 = 13.076696831 Simplifying x + 13 = 13.076696831 Reorder the terms: 13 + x = 13.076696831 Solving 13 + x = 13.076696831 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 = 13.076696831 + -13 Combine like terms: 13 + -13 = 0 0 + x = 13.076696831 + -13 x = 13.076696831 + -13 Combine like terms: 13.076696831 + -13 = 0.076696831 x = 0.076696831 Simplifying x = 0.076696831

Subproblem 2

x + 13 = -13.076696831 Simplifying x + 13 = -13.076696831 Reorder the terms: 13 + x = -13.076696831 Solving 13 + x = -13.076696831 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 = -13.076696831 + -13 Combine like terms: 13 + -13 = 0 0 + x = -13.076696831 + -13 x = -13.076696831 + -13 Combine like terms: -13.076696831 + -13 = -26.076696831 x = -26.076696831 Simplifying x = -26.076696831

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.076696831, -26.076696831}

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