x^2+25+9x+5=180

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Solution for x^2+25+9x+5=180 equation:


Simplifying
x2 + 25 + 9x + 5 = 180

Reorder the terms:
25 + 5 + 9x + x2 = 180

Combine like terms: 25 + 5 = 30
30 + 9x + x2 = 180

Solving
30 + 9x + x2 = 180

Solving for variable 'x'.

Reorder the terms:
30 + -180 + 9x + x2 = 180 + -180

Combine like terms: 30 + -180 = -150
-150 + 9x + x2 = 180 + -180

Combine like terms: 180 + -180 = 0
-150 + 9x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '150' to each side of the equation.
-150 + 9x + 150 + x2 = 0 + 150

Reorder the terms:
-150 + 150 + 9x + x2 = 0 + 150

Combine like terms: -150 + 150 = 0
0 + 9x + x2 = 0 + 150
9x + x2 = 0 + 150

Combine like terms: 0 + 150 = 150
9x + x2 = 150

The x term is 9x.  Take half its coefficient (4.5).
Square it (20.25) and add it to both sides.

Add '20.25' to each side of the equation.
9x + 20.25 + x2 = 150 + 20.25

Reorder the terms:
20.25 + 9x + x2 = 150 + 20.25

Combine like terms: 150 + 20.25 = 170.25
20.25 + 9x + x2 = 170.25

Factor a perfect square on the left side:
(x + 4.5)(x + 4.5) = 170.25

Calculate the square root of the right side: 13.047988351

Break this problem into two subproblems by setting 
(x + 4.5) equal to 13.047988351 and -13.047988351.

Subproblem 1

x + 4.5 = 13.047988351 Simplifying x + 4.5 = 13.047988351 Reorder the terms: 4.5 + x = 13.047988351 Solving 4.5 + x = 13.047988351 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4.5' to each side of the equation. 4.5 + -4.5 + x = 13.047988351 + -4.5 Combine like terms: 4.5 + -4.5 = 0.0 0.0 + x = 13.047988351 + -4.5 x = 13.047988351 + -4.5 Combine like terms: 13.047988351 + -4.5 = 8.547988351 x = 8.547988351 Simplifying x = 8.547988351

Subproblem 2

x + 4.5 = -13.047988351 Simplifying x + 4.5 = -13.047988351 Reorder the terms: 4.5 + x = -13.047988351 Solving 4.5 + x = -13.047988351 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4.5' to each side of the equation. 4.5 + -4.5 + x = -13.047988351 + -4.5 Combine like terms: 4.5 + -4.5 = 0.0 0.0 + x = -13.047988351 + -4.5 x = -13.047988351 + -4.5 Combine like terms: -13.047988351 + -4.5 = -17.547988351 x = -17.547988351 Simplifying x = -17.547988351

Solution

The solution to the problem is based on the solutions from the subproblems. x = {8.547988351, -17.547988351}

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