x^2+10x+25=69

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Solution for x^2+10x+25=69 equation:


Simplifying
x2 + 10x + 25 = 69

Reorder the terms:
25 + 10x + x2 = 69

Solving
25 + 10x + x2 = 69

Solving for variable 'x'.

Reorder the terms:
25 + -69 + 10x + x2 = 69 + -69

Combine like terms: 25 + -69 = -44
-44 + 10x + x2 = 69 + -69

Combine like terms: 69 + -69 = 0
-44 + 10x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '44' to each side of the equation.
-44 + 10x + 44 + x2 = 0 + 44

Reorder the terms:
-44 + 44 + 10x + x2 = 0 + 44

Combine like terms: -44 + 44 = 0
0 + 10x + x2 = 0 + 44
10x + x2 = 0 + 44

Combine like terms: 0 + 44 = 44
10x + x2 = 44

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 = 44 + 25

Reorder the terms:
25 + 10x + x2 = 44 + 25

Combine like terms: 44 + 25 = 69
25 + 10x + x2 = 69

Factor a perfect square on the left side:
(x + 5)(x + 5) = 69

Calculate the square root of the right side: 8.306623863

Break this problem into two subproblems by setting 
(x + 5) equal to 8.306623863 and -8.306623863.

Subproblem 1

x + 5 = 8.306623863 Simplifying x + 5 = 8.306623863 Reorder the terms: 5 + x = 8.306623863 Solving 5 + x = 8.306623863 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 = 8.306623863 + -5 Combine like terms: 5 + -5 = 0 0 + x = 8.306623863 + -5 x = 8.306623863 + -5 Combine like terms: 8.306623863 + -5 = 3.306623863 x = 3.306623863 Simplifying x = 3.306623863

Subproblem 2

x + 5 = -8.306623863 Simplifying x + 5 = -8.306623863 Reorder the terms: 5 + x = -8.306623863 Solving 5 + x = -8.306623863 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 = -8.306623863 + -5 Combine like terms: 5 + -5 = 0 0 + x = -8.306623863 + -5 x = -8.306623863 + -5 Combine like terms: -8.306623863 + -5 = -13.306623863 x = -13.306623863 Simplifying x = -13.306623863

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.306623863, -13.306623863}

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