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

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


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

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

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

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

Combine like terms: 2x + 2x = 4x
2(4 + 4x + x2) = -22x + 5
(4 * 2 + 4x * 2 + x2 * 2) = -22x + 5
(8 + 8x + 2x2) = -22x + 5

Reorder the terms:
8 + 8x + 2x2 = 5 + -22x

Solving
8 + 8x + 2x2 = 5 + -22x

Solving for variable 'x'.

Reorder the terms:
8 + -5 + 8x + 22x + 2x2 = 5 + -22x + -5 + 22x

Combine like terms: 8 + -5 = 3
3 + 8x + 22x + 2x2 = 5 + -22x + -5 + 22x

Combine like terms: 8x + 22x = 30x
3 + 30x + 2x2 = 5 + -22x + -5 + 22x

Reorder the terms:
3 + 30x + 2x2 = 5 + -5 + -22x + 22x

Combine like terms: 5 + -5 = 0
3 + 30x + 2x2 = 0 + -22x + 22x
3 + 30x + 2x2 = -22x + 22x

Combine like terms: -22x + 22x = 0
3 + 30x + 2x2 = 0

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

Divide each side by '2'.
1.5 + 15x + x2 = 0

Move the constant term to the right:

Add '-1.5' to each side of the equation.
1.5 + 15x + -1.5 + x2 = 0 + -1.5

Reorder the terms:
1.5 + -1.5 + 15x + x2 = 0 + -1.5

Combine like terms: 1.5 + -1.5 = 0.0
0.0 + 15x + x2 = 0 + -1.5
15x + x2 = 0 + -1.5

Combine like terms: 0 + -1.5 = -1.5
15x + x2 = -1.5

The x term is 15x.  Take half its coefficient (7.5).
Square it (56.25) and add it to both sides.

Add '56.25' to each side of the equation.
15x + 56.25 + x2 = -1.5 + 56.25

Reorder the terms:
56.25 + 15x + x2 = -1.5 + 56.25

Combine like terms: -1.5 + 56.25 = 54.75
56.25 + 15x + x2 = 54.75

Factor a perfect square on the left side:
(x + 7.5)(x + 7.5) = 54.75

Calculate the square root of the right side: 7.399324293

Break this problem into two subproblems by setting 
(x + 7.5) equal to 7.399324293 and -7.399324293.

Subproblem 1

x + 7.5 = 7.399324293 Simplifying x + 7.5 = 7.399324293 Reorder the terms: 7.5 + x = 7.399324293 Solving 7.5 + x = 7.399324293 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7.5' to each side of the equation. 7.5 + -7.5 + x = 7.399324293 + -7.5 Combine like terms: 7.5 + -7.5 = 0.0 0.0 + x = 7.399324293 + -7.5 x = 7.399324293 + -7.5 Combine like terms: 7.399324293 + -7.5 = -0.100675707 x = -0.100675707 Simplifying x = -0.100675707

Subproblem 2

x + 7.5 = -7.399324293 Simplifying x + 7.5 = -7.399324293 Reorder the terms: 7.5 + x = -7.399324293 Solving 7.5 + x = -7.399324293 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7.5' to each side of the equation. 7.5 + -7.5 + x = -7.399324293 + -7.5 Combine like terms: 7.5 + -7.5 = 0.0 0.0 + x = -7.399324293 + -7.5 x = -7.399324293 + -7.5 Combine like terms: -7.399324293 + -7.5 = -14.899324293 x = -14.899324293 Simplifying x = -14.899324293

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.100675707, -14.899324293}

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