x^2-26x-24=0

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Solution for x^2-26x-24=0 equation:


Simplifying
x2 + -26x + -24 = 0

Reorder the terms:
-24 + -26x + x2 = 0

Solving
-24 + -26x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '24' to each side of the equation.
-24 + -26x + 24 + x2 = 0 + 24

Reorder the terms:
-24 + 24 + -26x + x2 = 0 + 24

Combine like terms: -24 + 24 = 0
0 + -26x + x2 = 0 + 24
-26x + x2 = 0 + 24

Combine like terms: 0 + 24 = 24
-26x + x2 = 24

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 = 24 + 169

Reorder the terms:
169 + -26x + x2 = 24 + 169

Combine like terms: 24 + 169 = 193
169 + -26x + x2 = 193

Factor a perfect square on the left side:
(x + -13)(x + -13) = 193

Calculate the square root of the right side: 13.892443989

Break this problem into two subproblems by setting 
(x + -13) equal to 13.892443989 and -13.892443989.

Subproblem 1

x + -13 = 13.892443989 Simplifying x + -13 = 13.892443989 Reorder the terms: -13 + x = 13.892443989 Solving -13 + x = 13.892443989 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 = 13.892443989 + 13 Combine like terms: -13 + 13 = 0 0 + x = 13.892443989 + 13 x = 13.892443989 + 13 Combine like terms: 13.892443989 + 13 = 26.892443989 x = 26.892443989 Simplifying x = 26.892443989

Subproblem 2

x + -13 = -13.892443989 Simplifying x + -13 = -13.892443989 Reorder the terms: -13 + x = -13.892443989 Solving -13 + x = -13.892443989 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 = -13.892443989 + 13 Combine like terms: -13 + 13 = 0 0 + x = -13.892443989 + 13 x = -13.892443989 + 13 Combine like terms: -13.892443989 + 13 = -0.892443989 x = -0.892443989 Simplifying x = -0.892443989

Solution

The solution to the problem is based on the solutions from the subproblems. x = {26.892443989, -0.892443989}

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