(x+25)*(x)=326

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Solution for (x+25)*(x)=326 equation:


Simplifying
(x + 25)(x) = 326

Reorder the terms:
(25 + x)(x) = 326

Reorder the terms for easier multiplication:
x(25 + x) = 326
(25 * x + x * x) = 326
(25x + x2) = 326

Solving
25x + x2 = 326

Solving for variable 'x'.

Reorder the terms:
-326 + 25x + x2 = 326 + -326

Combine like terms: 326 + -326 = 0
-326 + 25x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '326' to each side of the equation.
-326 + 25x + 326 + x2 = 0 + 326

Reorder the terms:
-326 + 326 + 25x + x2 = 0 + 326

Combine like terms: -326 + 326 = 0
0 + 25x + x2 = 0 + 326
25x + x2 = 0 + 326

Combine like terms: 0 + 326 = 326
25x + x2 = 326

The x term is 25x.  Take half its coefficient (12.5).
Square it (156.25) and add it to both sides.

Add '156.25' to each side of the equation.
25x + 156.25 + x2 = 326 + 156.25

Reorder the terms:
156.25 + 25x + x2 = 326 + 156.25

Combine like terms: 326 + 156.25 = 482.25
156.25 + 25x + x2 = 482.25

Factor a perfect square on the left side:
(x + 12.5)(x + 12.5) = 482.25

Calculate the square root of the right side: 21.960191256

Break this problem into two subproblems by setting 
(x + 12.5) equal to 21.960191256 and -21.960191256.

Subproblem 1

x + 12.5 = 21.960191256 Simplifying x + 12.5 = 21.960191256 Reorder the terms: 12.5 + x = 21.960191256 Solving 12.5 + x = 21.960191256 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-12.5' to each side of the equation. 12.5 + -12.5 + x = 21.960191256 + -12.5 Combine like terms: 12.5 + -12.5 = 0.0 0.0 + x = 21.960191256 + -12.5 x = 21.960191256 + -12.5 Combine like terms: 21.960191256 + -12.5 = 9.460191256 x = 9.460191256 Simplifying x = 9.460191256

Subproblem 2

x + 12.5 = -21.960191256 Simplifying x + 12.5 = -21.960191256 Reorder the terms: 12.5 + x = -21.960191256 Solving 12.5 + x = -21.960191256 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-12.5' to each side of the equation. 12.5 + -12.5 + x = -21.960191256 + -12.5 Combine like terms: 12.5 + -12.5 = 0.0 0.0 + x = -21.960191256 + -12.5 x = -21.960191256 + -12.5 Combine like terms: -21.960191256 + -12.5 = -34.460191256 x = -34.460191256 Simplifying x = -34.460191256

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.460191256, -34.460191256}

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