x^2+24x-27=0

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Solution for x^2+24x-27=0 equation:


Simplifying
x2 + 24x + -27 = 0

Reorder the terms:
-27 + 24x + x2 = 0

Solving
-27 + 24x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '27' to each side of the equation.
-27 + 24x + 27 + x2 = 0 + 27

Reorder the terms:
-27 + 27 + 24x + x2 = 0 + 27

Combine like terms: -27 + 27 = 0
0 + 24x + x2 = 0 + 27
24x + x2 = 0 + 27

Combine like terms: 0 + 27 = 27
24x + x2 = 27

The x term is 24x.  Take half its coefficient (12).
Square it (144) and add it to both sides.

Add '144' to each side of the equation.
24x + 144 + x2 = 27 + 144

Reorder the terms:
144 + 24x + x2 = 27 + 144

Combine like terms: 27 + 144 = 171
144 + 24x + x2 = 171

Factor a perfect square on the left side:
(x + 12)(x + 12) = 171

Calculate the square root of the right side: 13.076696831

Break this problem into two subproblems by setting 
(x + 12) equal to 13.076696831 and -13.076696831.

Subproblem 1

x + 12 = 13.076696831 Simplifying x + 12 = 13.076696831 Reorder the terms: 12 + x = 13.076696831 Solving 12 + x = 13.076696831 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + x = 13.076696831 + -12 Combine like terms: 12 + -12 = 0 0 + x = 13.076696831 + -12 x = 13.076696831 + -12 Combine like terms: 13.076696831 + -12 = 1.076696831 x = 1.076696831 Simplifying x = 1.076696831

Subproblem 2

x + 12 = -13.076696831 Simplifying x + 12 = -13.076696831 Reorder the terms: 12 + x = -13.076696831 Solving 12 + x = -13.076696831 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + x = -13.076696831 + -12 Combine like terms: 12 + -12 = 0 0 + x = -13.076696831 + -12 x = -13.076696831 + -12 Combine like terms: -13.076696831 + -12 = -25.076696831 x = -25.076696831 Simplifying x = -25.076696831

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.076696831, -25.076696831}

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