x^2+24x-300=0

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Solution for x^2+24x-300=0 equation:


Simplifying
x2 + 24x + -300 = 0

Reorder the terms:
-300 + 24x + x2 = 0

Solving
-300 + 24x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '300' to each side of the equation.
-300 + 24x + 300 + x2 = 0 + 300

Reorder the terms:
-300 + 300 + 24x + x2 = 0 + 300

Combine like terms: -300 + 300 = 0
0 + 24x + x2 = 0 + 300
24x + x2 = 0 + 300

Combine like terms: 0 + 300 = 300
24x + x2 = 300

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 = 300 + 144

Reorder the terms:
144 + 24x + x2 = 300 + 144

Combine like terms: 300 + 144 = 444
144 + 24x + x2 = 444

Factor a perfect square on the left side:
(x + 12)(x + 12) = 444

Calculate the square root of the right side: 21.071307506

Break this problem into two subproblems by setting 
(x + 12) equal to 21.071307506 and -21.071307506.

Subproblem 1

x + 12 = 21.071307506 Simplifying x + 12 = 21.071307506 Reorder the terms: 12 + x = 21.071307506 Solving 12 + x = 21.071307506 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 = 21.071307506 + -12 Combine like terms: 12 + -12 = 0 0 + x = 21.071307506 + -12 x = 21.071307506 + -12 Combine like terms: 21.071307506 + -12 = 9.071307506 x = 9.071307506 Simplifying x = 9.071307506

Subproblem 2

x + 12 = -21.071307506 Simplifying x + 12 = -21.071307506 Reorder the terms: 12 + x = -21.071307506 Solving 12 + x = -21.071307506 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 = -21.071307506 + -12 Combine like terms: 12 + -12 = 0 0 + x = -21.071307506 + -12 x = -21.071307506 + -12 Combine like terms: -21.071307506 + -12 = -33.071307506 x = -33.071307506 Simplifying x = -33.071307506

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.071307506, -33.071307506}

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