13(x+2)(x+2)-5=22

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Solution for 13(x+2)(x+2)-5=22 equation:


Simplifying
13(x + 2)(x + 2) + -5 = 22

Reorder the terms:
13(2 + x)(x + 2) + -5 = 22

Reorder the terms:
13(2 + x)(2 + x) + -5 = 22

Multiply (2 + x) * (2 + x)
13(2(2 + x) + x(2 + x)) + -5 = 22
13((2 * 2 + x * 2) + x(2 + x)) + -5 = 22
13((4 + 2x) + x(2 + x)) + -5 = 22
13(4 + 2x + (2 * x + x * x)) + -5 = 22
13(4 + 2x + (2x + x2)) + -5 = 22

Combine like terms: 2x + 2x = 4x
13(4 + 4x + x2) + -5 = 22
(4 * 13 + 4x * 13 + x2 * 13) + -5 = 22
(52 + 52x + 13x2) + -5 = 22

Reorder the terms:
52 + -5 + 52x + 13x2 = 22

Combine like terms: 52 + -5 = 47
47 + 52x + 13x2 = 22

Solving
47 + 52x + 13x2 = 22

Solving for variable 'x'.

Reorder the terms:
47 + -22 + 52x + 13x2 = 22 + -22

Combine like terms: 47 + -22 = 25
25 + 52x + 13x2 = 22 + -22

Combine like terms: 22 + -22 = 0
25 + 52x + 13x2 = 0

Begin completing the square.  Divide all terms by
13 the coefficient of the squared term: 

Divide each side by '13'.
1.923076923 + 4x + x2 = 0

Move the constant term to the right:

Add '-1.923076923' to each side of the equation.
1.923076923 + 4x + -1.923076923 + x2 = 0 + -1.923076923

Reorder the terms:
1.923076923 + -1.923076923 + 4x + x2 = 0 + -1.923076923

Combine like terms: 1.923076923 + -1.923076923 = 0.000000000
0.000000000 + 4x + x2 = 0 + -1.923076923
4x + x2 = 0 + -1.923076923

Combine like terms: 0 + -1.923076923 = -1.923076923
4x + x2 = -1.923076923

The x term is 4x.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4x + 4 + x2 = -1.923076923 + 4

Reorder the terms:
4 + 4x + x2 = -1.923076923 + 4

Combine like terms: -1.923076923 + 4 = 2.076923077
4 + 4x + x2 = 2.076923077

Factor a perfect square on the left side:
(x + 2)(x + 2) = 2.076923077

Calculate the square root of the right side: 1.441153384

Break this problem into two subproblems by setting 
(x + 2) equal to 1.441153384 and -1.441153384.

Subproblem 1

x + 2 = 1.441153384 Simplifying x + 2 = 1.441153384 Reorder the terms: 2 + x = 1.441153384 Solving 2 + x = 1.441153384 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 1.441153384 + -2 Combine like terms: 2 + -2 = 0 0 + x = 1.441153384 + -2 x = 1.441153384 + -2 Combine like terms: 1.441153384 + -2 = -0.558846616 x = -0.558846616 Simplifying x = -0.558846616

Subproblem 2

x + 2 = -1.441153384 Simplifying x + 2 = -1.441153384 Reorder the terms: 2 + x = -1.441153384 Solving 2 + x = -1.441153384 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = -1.441153384 + -2 Combine like terms: 2 + -2 = 0 0 + x = -1.441153384 + -2 x = -1.441153384 + -2 Combine like terms: -1.441153384 + -2 = -3.441153384 x = -3.441153384 Simplifying x = -3.441153384

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.558846616, -3.441153384}

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