x(x+4)+(2x-32)=180

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Solution for x(x+4)+(2x-32)=180 equation:


Simplifying
x(x + 4) + (2x + -32) = 180

Reorder the terms:
x(4 + x) + (2x + -32) = 180
(4 * x + x * x) + (2x + -32) = 180
(4x + x2) + (2x + -32) = 180

Reorder the terms:
4x + x2 + (-32 + 2x) = 180

Remove parenthesis around (-32 + 2x)
4x + x2 + -32 + 2x = 180

Reorder the terms:
-32 + 4x + 2x + x2 = 180

Combine like terms: 4x + 2x = 6x
-32 + 6x + x2 = 180

Solving
-32 + 6x + x2 = 180

Solving for variable 'x'.

Reorder the terms:
-32 + -180 + 6x + x2 = 180 + -180

Combine like terms: -32 + -180 = -212
-212 + 6x + x2 = 180 + -180

Combine like terms: 180 + -180 = 0
-212 + 6x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '212' to each side of the equation.
-212 + 6x + 212 + x2 = 0 + 212

Reorder the terms:
-212 + 212 + 6x + x2 = 0 + 212

Combine like terms: -212 + 212 = 0
0 + 6x + x2 = 0 + 212
6x + x2 = 0 + 212

Combine like terms: 0 + 212 = 212
6x + x2 = 212

The x term is 6x.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6x + 9 + x2 = 212 + 9

Reorder the terms:
9 + 6x + x2 = 212 + 9

Combine like terms: 212 + 9 = 221
9 + 6x + x2 = 221

Factor a perfect square on the left side:
(x + 3)(x + 3) = 221

Calculate the square root of the right side: 14.866068747

Break this problem into two subproblems by setting 
(x + 3) equal to 14.866068747 and -14.866068747.

Subproblem 1

x + 3 = 14.866068747 Simplifying x + 3 = 14.866068747 Reorder the terms: 3 + x = 14.866068747 Solving 3 + x = 14.866068747 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 14.866068747 + -3 Combine like terms: 3 + -3 = 0 0 + x = 14.866068747 + -3 x = 14.866068747 + -3 Combine like terms: 14.866068747 + -3 = 11.866068747 x = 11.866068747 Simplifying x = 11.866068747

Subproblem 2

x + 3 = -14.866068747 Simplifying x + 3 = -14.866068747 Reorder the terms: 3 + x = -14.866068747 Solving 3 + x = -14.866068747 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = -14.866068747 + -3 Combine like terms: 3 + -3 = 0 0 + x = -14.866068747 + -3 x = -14.866068747 + -3 Combine like terms: -14.866068747 + -3 = -17.866068747 x = -17.866068747 Simplifying x = -17.866068747

Solution

The solution to the problem is based on the solutions from the subproblems. x = {11.866068747, -17.866068747}

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