2x^2+18x+32=(x+5)

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Solution for 2x^2+18x+32=(x+5) equation:


Simplifying
2x2 + 18x + 32 = (x + 5)

Reorder the terms:
32 + 18x + 2x2 = (x + 5)

Reorder the terms:
32 + 18x + 2x2 = (5 + x)

Remove parenthesis around (5 + x)
32 + 18x + 2x2 = 5 + x

Solving
32 + 18x + 2x2 = 5 + x

Solving for variable 'x'.

Reorder the terms:
32 + -5 + 18x + -1x + 2x2 = 5 + x + -5 + -1x

Combine like terms: 32 + -5 = 27
27 + 18x + -1x + 2x2 = 5 + x + -5 + -1x

Combine like terms: 18x + -1x = 17x
27 + 17x + 2x2 = 5 + x + -5 + -1x

Reorder the terms:
27 + 17x + 2x2 = 5 + -5 + x + -1x

Combine like terms: 5 + -5 = 0
27 + 17x + 2x2 = 0 + x + -1x
27 + 17x + 2x2 = x + -1x

Combine like terms: x + -1x = 0
27 + 17x + 2x2 = 0

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

Divide each side by '2'.
13.5 + 8.5x + x2 = 0

Move the constant term to the right:

Add '-13.5' to each side of the equation.
13.5 + 8.5x + -13.5 + x2 = 0 + -13.5

Reorder the terms:
13.5 + -13.5 + 8.5x + x2 = 0 + -13.5

Combine like terms: 13.5 + -13.5 = 0.0
0.0 + 8.5x + x2 = 0 + -13.5
8.5x + x2 = 0 + -13.5

Combine like terms: 0 + -13.5 = -13.5
8.5x + x2 = -13.5

The x term is 8.5x.  Take half its coefficient (4.25).
Square it (18.0625) and add it to both sides.

Add '18.0625' to each side of the equation.
8.5x + 18.0625 + x2 = -13.5 + 18.0625

Reorder the terms:
18.0625 + 8.5x + x2 = -13.5 + 18.0625

Combine like terms: -13.5 + 18.0625 = 4.5625
18.0625 + 8.5x + x2 = 4.5625

Factor a perfect square on the left side:
(x + 4.25)(x + 4.25) = 4.5625

Calculate the square root of the right side: 2.136000936

Break this problem into two subproblems by setting 
(x + 4.25) equal to 2.136000936 and -2.136000936.

Subproblem 1

x + 4.25 = 2.136000936 Simplifying x + 4.25 = 2.136000936 Reorder the terms: 4.25 + x = 2.136000936 Solving 4.25 + x = 2.136000936 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4.25' to each side of the equation. 4.25 + -4.25 + x = 2.136000936 + -4.25 Combine like terms: 4.25 + -4.25 = 0.00 0.00 + x = 2.136000936 + -4.25 x = 2.136000936 + -4.25 Combine like terms: 2.136000936 + -4.25 = -2.113999064 x = -2.113999064 Simplifying x = -2.113999064

Subproblem 2

x + 4.25 = -2.136000936 Simplifying x + 4.25 = -2.136000936 Reorder the terms: 4.25 + x = -2.136000936 Solving 4.25 + x = -2.136000936 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4.25' to each side of the equation. 4.25 + -4.25 + x = -2.136000936 + -4.25 Combine like terms: 4.25 + -4.25 = 0.00 0.00 + x = -2.136000936 + -4.25 x = -2.136000936 + -4.25 Combine like terms: -2.136000936 + -4.25 = -6.386000936 x = -6.386000936 Simplifying x = -6.386000936

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-2.113999064, -6.386000936}

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