x^2+10x+4=10

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Solution for x^2+10x+4=10 equation:


Simplifying
x2 + 10x + 4 = 10

Reorder the terms:
4 + 10x + x2 = 10

Solving
4 + 10x + x2 = 10

Solving for variable 'x'.

Reorder the terms:
4 + -10 + 10x + x2 = 10 + -10

Combine like terms: 4 + -10 = -6
-6 + 10x + x2 = 10 + -10

Combine like terms: 10 + -10 = 0
-6 + 10x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '6' to each side of the equation.
-6 + 10x + 6 + x2 = 0 + 6

Reorder the terms:
-6 + 6 + 10x + x2 = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 10x + x2 = 0 + 6
10x + x2 = 0 + 6

Combine like terms: 0 + 6 = 6
10x + x2 = 6

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 = 6 + 25

Reorder the terms:
25 + 10x + x2 = 6 + 25

Combine like terms: 6 + 25 = 31
25 + 10x + x2 = 31

Factor a perfect square on the left side:
(x + 5)(x + 5) = 31

Calculate the square root of the right side: 5.567764363

Break this problem into two subproblems by setting 
(x + 5) equal to 5.567764363 and -5.567764363.

Subproblem 1

x + 5 = 5.567764363 Simplifying x + 5 = 5.567764363 Reorder the terms: 5 + x = 5.567764363 Solving 5 + x = 5.567764363 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 = 5.567764363 + -5 Combine like terms: 5 + -5 = 0 0 + x = 5.567764363 + -5 x = 5.567764363 + -5 Combine like terms: 5.567764363 + -5 = 0.567764363 x = 0.567764363 Simplifying x = 0.567764363

Subproblem 2

x + 5 = -5.567764363 Simplifying x + 5 = -5.567764363 Reorder the terms: 5 + x = -5.567764363 Solving 5 + x = -5.567764363 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 = -5.567764363 + -5 Combine like terms: 5 + -5 = 0 0 + x = -5.567764363 + -5 x = -5.567764363 + -5 Combine like terms: -5.567764363 + -5 = -10.567764363 x = -10.567764363 Simplifying x = -10.567764363

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.567764363, -10.567764363}

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