x^2+20x-2825=0

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Solution for x^2+20x-2825=0 equation:


Simplifying
x2 + 20x + -2825 = 0

Reorder the terms:
-2825 + 20x + x2 = 0

Solving
-2825 + 20x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '2825' to each side of the equation.
-2825 + 20x + 2825 + x2 = 0 + 2825

Reorder the terms:
-2825 + 2825 + 20x + x2 = 0 + 2825

Combine like terms: -2825 + 2825 = 0
0 + 20x + x2 = 0 + 2825
20x + x2 = 0 + 2825

Combine like terms: 0 + 2825 = 2825
20x + x2 = 2825

The x term is 20x.  Take half its coefficient (10).
Square it (100) and add it to both sides.

Add '100' to each side of the equation.
20x + 100 + x2 = 2825 + 100

Reorder the terms:
100 + 20x + x2 = 2825 + 100

Combine like terms: 2825 + 100 = 2925
100 + 20x + x2 = 2925

Factor a perfect square on the left side:
(x + 10)(x + 10) = 2925

Calculate the square root of the right side: 54.083269132

Break this problem into two subproblems by setting 
(x + 10) equal to 54.083269132 and -54.083269132.

Subproblem 1

x + 10 = 54.083269132 Simplifying x + 10 = 54.083269132 Reorder the terms: 10 + x = 54.083269132 Solving 10 + x = 54.083269132 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + x = 54.083269132 + -10 Combine like terms: 10 + -10 = 0 0 + x = 54.083269132 + -10 x = 54.083269132 + -10 Combine like terms: 54.083269132 + -10 = 44.083269132 x = 44.083269132 Simplifying x = 44.083269132

Subproblem 2

x + 10 = -54.083269132 Simplifying x + 10 = -54.083269132 Reorder the terms: 10 + x = -54.083269132 Solving 10 + x = -54.083269132 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + x = -54.083269132 + -10 Combine like terms: 10 + -10 = 0 0 + x = -54.083269132 + -10 x = -54.083269132 + -10 Combine like terms: -54.083269132 + -10 = -64.083269132 x = -64.083269132 Simplifying x = -64.083269132

Solution

The solution to the problem is based on the solutions from the subproblems. x = {44.083269132, -64.083269132}

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