x^2+4x-24=14

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Solution for x^2+4x-24=14 equation:


Simplifying
x2 + 4x + -24 = 14

Reorder the terms:
-24 + 4x + x2 = 14

Solving
-24 + 4x + x2 = 14

Solving for variable 'x'.

Reorder the terms:
-24 + -14 + 4x + x2 = 14 + -14

Combine like terms: -24 + -14 = -38
-38 + 4x + x2 = 14 + -14

Combine like terms: 14 + -14 = 0
-38 + 4x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '38' to each side of the equation.
-38 + 4x + 38 + x2 = 0 + 38

Reorder the terms:
-38 + 38 + 4x + x2 = 0 + 38

Combine like terms: -38 + 38 = 0
0 + 4x + x2 = 0 + 38
4x + x2 = 0 + 38

Combine like terms: 0 + 38 = 38
4x + x2 = 38

The x term is 4x.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4x + 4 + x2 = 38 + 4

Reorder the terms:
4 + 4x + x2 = 38 + 4

Combine like terms: 38 + 4 = 42
4 + 4x + x2 = 42

Factor a perfect square on the left side:
(x + 2)(x + 2) = 42

Calculate the square root of the right side: 6.480740698

Break this problem into two subproblems by setting 
(x + 2) equal to 6.480740698 and -6.480740698.

Subproblem 1

x + 2 = 6.480740698 Simplifying x + 2 = 6.480740698 Reorder the terms: 2 + x = 6.480740698 Solving 2 + x = 6.480740698 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 6.480740698 + -2 Combine like terms: 2 + -2 = 0 0 + x = 6.480740698 + -2 x = 6.480740698 + -2 Combine like terms: 6.480740698 + -2 = 4.480740698 x = 4.480740698 Simplifying x = 4.480740698

Subproblem 2

x + 2 = -6.480740698 Simplifying x + 2 = -6.480740698 Reorder the terms: 2 + x = -6.480740698 Solving 2 + x = -6.480740698 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = -6.480740698 + -2 Combine like terms: 2 + -2 = 0 0 + x = -6.480740698 + -2 x = -6.480740698 + -2 Combine like terms: -6.480740698 + -2 = -8.480740698 x = -8.480740698 Simplifying x = -8.480740698

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.480740698, -8.480740698}

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