x^2+27x-576=0

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Solution for x^2+27x-576=0 equation:


Simplifying
x2 + 27x + -576 = 0

Reorder the terms:
-576 + 27x + x2 = 0

Solving
-576 + 27x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '576' to each side of the equation.
-576 + 27x + 576 + x2 = 0 + 576

Reorder the terms:
-576 + 576 + 27x + x2 = 0 + 576

Combine like terms: -576 + 576 = 0
0 + 27x + x2 = 0 + 576
27x + x2 = 0 + 576

Combine like terms: 0 + 576 = 576
27x + x2 = 576

The x term is 27x.  Take half its coefficient (13.5).
Square it (182.25) and add it to both sides.

Add '182.25' to each side of the equation.
27x + 182.25 + x2 = 576 + 182.25

Reorder the terms:
182.25 + 27x + x2 = 576 + 182.25

Combine like terms: 576 + 182.25 = 758.25
182.25 + 27x + x2 = 758.25

Factor a perfect square on the left side:
(x + 13.5)(x + 13.5) = 758.25

Calculate the square root of the right side: 27.536339626

Break this problem into two subproblems by setting 
(x + 13.5) equal to 27.536339626 and -27.536339626.

Subproblem 1

x + 13.5 = 27.536339626 Simplifying x + 13.5 = 27.536339626 Reorder the terms: 13.5 + x = 27.536339626 Solving 13.5 + x = 27.536339626 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-13.5' to each side of the equation. 13.5 + -13.5 + x = 27.536339626 + -13.5 Combine like terms: 13.5 + -13.5 = 0.0 0.0 + x = 27.536339626 + -13.5 x = 27.536339626 + -13.5 Combine like terms: 27.536339626 + -13.5 = 14.036339626 x = 14.036339626 Simplifying x = 14.036339626

Subproblem 2

x + 13.5 = -27.536339626 Simplifying x + 13.5 = -27.536339626 Reorder the terms: 13.5 + x = -27.536339626 Solving 13.5 + x = -27.536339626 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-13.5' to each side of the equation. 13.5 + -13.5 + x = -27.536339626 + -13.5 Combine like terms: 13.5 + -13.5 = 0.0 0.0 + x = -27.536339626 + -13.5 x = -27.536339626 + -13.5 Combine like terms: -27.536339626 + -13.5 = -41.036339626 x = -41.036339626 Simplifying x = -41.036339626

Solution

The solution to the problem is based on the solutions from the subproblems. x = {14.036339626, -41.036339626}

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