0=3600-x^2-10x+25

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Solution for 0=3600-x^2-10x+25 equation:


Simplifying
0 = 3600 + -1x2 + -10x + 25

Reorder the terms:
0 = 3600 + 25 + -10x + -1x2

Combine like terms: 3600 + 25 = 3625
0 = 3625 + -10x + -1x2

Solving
0 = 3625 + -10x + -1x2

Solving for variable 'x'.

Combine like terms: 0 + -3625 = -3625
-3625 + 10x + x2 = 3625 + -10x + -1x2 + -3625 + 10x + x2

Reorder the terms:
-3625 + 10x + x2 = 3625 + -3625 + -10x + 10x + -1x2 + x2

Combine like terms: 3625 + -3625 = 0
-3625 + 10x + x2 = 0 + -10x + 10x + -1x2 + x2
-3625 + 10x + x2 = -10x + 10x + -1x2 + x2

Combine like terms: -10x + 10x = 0
-3625 + 10x + x2 = 0 + -1x2 + x2
-3625 + 10x + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
-3625 + 10x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '3625' to each side of the equation.
-3625 + 10x + 3625 + x2 = 0 + 3625

Reorder the terms:
-3625 + 3625 + 10x + x2 = 0 + 3625

Combine like terms: -3625 + 3625 = 0
0 + 10x + x2 = 0 + 3625
10x + x2 = 0 + 3625

Combine like terms: 0 + 3625 = 3625
10x + x2 = 3625

The x term is 10x.  Take half its coefficient (5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
10x + 25 + x2 = 3625 + 25

Reorder the terms:
25 + 10x + x2 = 3625 + 25

Combine like terms: 3625 + 25 = 3650
25 + 10x + x2 = 3650

Factor a perfect square on the left side:
(x + 5)(x + 5) = 3650

Calculate the square root of the right side: 60.415229868

Break this problem into two subproblems by setting 
(x + 5) equal to 60.415229868 and -60.415229868.

Subproblem 1

x + 5 = 60.415229868 Simplifying x + 5 = 60.415229868 Reorder the terms: 5 + x = 60.415229868 Solving 5 + x = 60.415229868 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = 60.415229868 + -5 Combine like terms: 5 + -5 = 0 0 + x = 60.415229868 + -5 x = 60.415229868 + -5 Combine like terms: 60.415229868 + -5 = 55.415229868 x = 55.415229868 Simplifying x = 55.415229868

Subproblem 2

x + 5 = -60.415229868 Simplifying x + 5 = -60.415229868 Reorder the terms: 5 + x = -60.415229868 Solving 5 + x = -60.415229868 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = -60.415229868 + -5 Combine like terms: 5 + -5 = 0 0 + x = -60.415229868 + -5 x = -60.415229868 + -5 Combine like terms: -60.415229868 + -5 = -65.415229868 x = -65.415229868 Simplifying x = -65.415229868

Solution

The solution to the problem is based on the solutions from the subproblems. x = {55.415229868, -65.415229868}

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