x^2+50x-61=0

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Solution for x^2+50x-61=0 equation:


Simplifying
x2 + 50x + -61 = 0

Reorder the terms:
-61 + 50x + x2 = 0

Solving
-61 + 50x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '61' to each side of the equation.
-61 + 50x + 61 + x2 = 0 + 61

Reorder the terms:
-61 + 61 + 50x + x2 = 0 + 61

Combine like terms: -61 + 61 = 0
0 + 50x + x2 = 0 + 61
50x + x2 = 0 + 61

Combine like terms: 0 + 61 = 61
50x + x2 = 61

The x term is 50x.  Take half its coefficient (25).
Square it (625) and add it to both sides.

Add '625' to each side of the equation.
50x + 625 + x2 = 61 + 625

Reorder the terms:
625 + 50x + x2 = 61 + 625

Combine like terms: 61 + 625 = 686
625 + 50x + x2 = 686

Factor a perfect square on the left side:
(x + 25)(x + 25) = 686

Calculate the square root of the right side: 26.191601707

Break this problem into two subproblems by setting 
(x + 25) equal to 26.191601707 and -26.191601707.

Subproblem 1

x + 25 = 26.191601707 Simplifying x + 25 = 26.191601707 Reorder the terms: 25 + x = 26.191601707 Solving 25 + x = 26.191601707 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-25' to each side of the equation. 25 + -25 + x = 26.191601707 + -25 Combine like terms: 25 + -25 = 0 0 + x = 26.191601707 + -25 x = 26.191601707 + -25 Combine like terms: 26.191601707 + -25 = 1.191601707 x = 1.191601707 Simplifying x = 1.191601707

Subproblem 2

x + 25 = -26.191601707 Simplifying x + 25 = -26.191601707 Reorder the terms: 25 + x = -26.191601707 Solving 25 + x = -26.191601707 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-25' to each side of the equation. 25 + -25 + x = -26.191601707 + -25 Combine like terms: 25 + -25 = 0 0 + x = -26.191601707 + -25 x = -26.191601707 + -25 Combine like terms: -26.191601707 + -25 = -51.191601707 x = -51.191601707 Simplifying x = -51.191601707

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.191601707, -51.191601707}

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