(4+5)5=(x+4+x-2)x-2

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Solution for (4+5)5=(x+4+x-2)x-2 equation:


Simplifying
(4 + 5) * 5 = (x + 4 + x + -2) * x + -2

Combine like terms: 4 + 5 = 9
(9) * 5 = (x + 4 + x + -2) * x + -2

Multiply 9 * 5
45 = (x + 4 + x + -2) * x + -2

Reorder the terms:
45 = (4 + -2 + x + x) * x + -2

Combine like terms: 4 + -2 = 2
45 = (2 + x + x) * x + -2

Combine like terms: x + x = 2x
45 = (2 + 2x) * x + -2

Reorder the terms for easier multiplication:
45 = x(2 + 2x) + -2
45 = (2 * x + 2x * x) + -2
45 = (2x + 2x2) + -2

Reorder the terms:
45 = -2 + 2x + 2x2

Solving
45 = -2 + 2x + 2x2

Solving for variable 'x'.

Combine like terms: 45 + 2 = 47
47 + -2x + -2x2 = -2 + 2x + 2x2 + 2 + -2x + -2x2

Reorder the terms:
47 + -2x + -2x2 = -2 + 2 + 2x + -2x + 2x2 + -2x2

Combine like terms: -2 + 2 = 0
47 + -2x + -2x2 = 0 + 2x + -2x + 2x2 + -2x2
47 + -2x + -2x2 = 2x + -2x + 2x2 + -2x2

Combine like terms: 2x + -2x = 0
47 + -2x + -2x2 = 0 + 2x2 + -2x2
47 + -2x + -2x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
47 + -2x + -2x2 = 0

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

Divide each side by '-2'.
-23.5 + x + x2 = 0

Move the constant term to the right:

Add '23.5' to each side of the equation.
-23.5 + x + 23.5 + x2 = 0 + 23.5

Reorder the terms:
-23.5 + 23.5 + x + x2 = 0 + 23.5

Combine like terms: -23.5 + 23.5 = 0.0
0.0 + x + x2 = 0 + 23.5
x + x2 = 0 + 23.5

Combine like terms: 0 + 23.5 = 23.5
x + x2 = 23.5

The x term is x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
 + 0.25 + x2 = 23.5 + 0.25

Combine like terms:  + 0.25 = 1.25
1.25 + x2 = 23.5 + 0.25

Combine like terms: 23.5 + 0.25 = 23.75
1.25 + x2 = 23.75

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 23.75

Calculate the square root of the right side: 4.873397172

Break this problem into two subproblems by setting 
(x + 0.5) equal to 4.873397172 and -4.873397172.

Subproblem 1

x + 0.5 = 4.873397172 Simplifying x + 0.5 = 4.873397172 Reorder the terms: 0.5 + x = 4.873397172 Solving 0.5 + x = 4.873397172 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = 4.873397172 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 4.873397172 + -0.5 x = 4.873397172 + -0.5 Combine like terms: 4.873397172 + -0.5 = 4.373397172 x = 4.373397172 Simplifying x = 4.373397172

Subproblem 2

x + 0.5 = -4.873397172 Simplifying x + 0.5 = -4.873397172 Reorder the terms: 0.5 + x = -4.873397172 Solving 0.5 + x = -4.873397172 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = -4.873397172 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -4.873397172 + -0.5 x = -4.873397172 + -0.5 Combine like terms: -4.873397172 + -0.5 = -5.373397172 x = -5.373397172 Simplifying x = -5.373397172

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.373397172, -5.373397172}

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