x+x(x-27)=180

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Solution for x+x(x-27)=180 equation:


Simplifying
x + x(x + -27) = 180

Reorder the terms:
x + x(-27 + x) = 180
x + (-27 * x + x * x) = 180
x + (-27x + x2) = 180

Combine like terms: x + -27x = -26x
-26x + x2 = 180

Solving
-26x + x2 = 180

Solving for variable 'x'.

Reorder the terms:
-180 + -26x + x2 = 180 + -180

Combine like terms: 180 + -180 = 0
-180 + -26x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '180' to each side of the equation.
-180 + -26x + 180 + x2 = 0 + 180

Reorder the terms:
-180 + 180 + -26x + x2 = 0 + 180

Combine like terms: -180 + 180 = 0
0 + -26x + x2 = 0 + 180
-26x + x2 = 0 + 180

Combine like terms: 0 + 180 = 180
-26x + x2 = 180

The x term is -26x.  Take half its coefficient (-13).
Square it (169) and add it to both sides.

Add '169' to each side of the equation.
-26x + 169 + x2 = 180 + 169

Reorder the terms:
169 + -26x + x2 = 180 + 169

Combine like terms: 180 + 169 = 349
169 + -26x + x2 = 349

Factor a perfect square on the left side:
(x + -13)(x + -13) = 349

Calculate the square root of the right side: 18.681541692

Break this problem into two subproblems by setting 
(x + -13) equal to 18.681541692 and -18.681541692.

Subproblem 1

x + -13 = 18.681541692 Simplifying x + -13 = 18.681541692 Reorder the terms: -13 + x = 18.681541692 Solving -13 + x = 18.681541692 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '13' to each side of the equation. -13 + 13 + x = 18.681541692 + 13 Combine like terms: -13 + 13 = 0 0 + x = 18.681541692 + 13 x = 18.681541692 + 13 Combine like terms: 18.681541692 + 13 = 31.681541692 x = 31.681541692 Simplifying x = 31.681541692

Subproblem 2

x + -13 = -18.681541692 Simplifying x + -13 = -18.681541692 Reorder the terms: -13 + x = -18.681541692 Solving -13 + x = -18.681541692 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '13' to each side of the equation. -13 + 13 + x = -18.681541692 + 13 Combine like terms: -13 + 13 = 0 0 + x = -18.681541692 + 13 x = -18.681541692 + 13 Combine like terms: -18.681541692 + 13 = -5.681541692 x = -5.681541692 Simplifying x = -5.681541692

Solution

The solution to the problem is based on the solutions from the subproblems. x = {31.681541692, -5.681541692}

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