x^2+36(x-3)=0

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Solution for x^2+36(x-3)=0 equation:


Simplifying
x2 + 36(x + -3) = 0

Reorder the terms:
x2 + 36(-3 + x) = 0
x2 + (-3 * 36 + x * 36) = 0
x2 + (-108 + 36x) = 0

Reorder the terms:
-108 + 36x + x2 = 0

Solving
-108 + 36x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '108' to each side of the equation.
-108 + 36x + 108 + x2 = 0 + 108

Reorder the terms:
-108 + 108 + 36x + x2 = 0 + 108

Combine like terms: -108 + 108 = 0
0 + 36x + x2 = 0 + 108
36x + x2 = 0 + 108

Combine like terms: 0 + 108 = 108
36x + x2 = 108

The x term is 36x.  Take half its coefficient (18).
Square it (324) and add it to both sides.

Add '324' to each side of the equation.
36x + 324 + x2 = 108 + 324

Reorder the terms:
324 + 36x + x2 = 108 + 324

Combine like terms: 108 + 324 = 432
324 + 36x + x2 = 432

Factor a perfect square on the left side:
(x + 18)(x + 18) = 432

Calculate the square root of the right side: 20.784609691

Break this problem into two subproblems by setting 
(x + 18) equal to 20.784609691 and -20.784609691.

Subproblem 1

x + 18 = 20.784609691 Simplifying x + 18 = 20.784609691 Reorder the terms: 18 + x = 20.784609691 Solving 18 + x = 20.784609691 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + -18 + x = 20.784609691 + -18 Combine like terms: 18 + -18 = 0 0 + x = 20.784609691 + -18 x = 20.784609691 + -18 Combine like terms: 20.784609691 + -18 = 2.784609691 x = 2.784609691 Simplifying x = 2.784609691

Subproblem 2

x + 18 = -20.784609691 Simplifying x + 18 = -20.784609691 Reorder the terms: 18 + x = -20.784609691 Solving 18 + x = -20.784609691 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + -18 + x = -20.784609691 + -18 Combine like terms: 18 + -18 = 0 0 + x = -20.784609691 + -18 x = -20.784609691 + -18 Combine like terms: -20.784609691 + -18 = -38.784609691 x = -38.784609691 Simplifying x = -38.784609691

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.784609691, -38.784609691}

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