n^2+4n-32=6

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Solution for n^2+4n-32=6 equation:


Simplifying
n2 + 4n + -32 = 6

Reorder the terms:
-32 + 4n + n2 = 6

Solving
-32 + 4n + n2 = 6

Solving for variable 'n'.

Reorder the terms:
-32 + -6 + 4n + n2 = 6 + -6

Combine like terms: -32 + -6 = -38
-38 + 4n + n2 = 6 + -6

Combine like terms: 6 + -6 = 0
-38 + 4n + n2 = 0

Begin completing the square.

Move the constant term to the right:

Add '38' to each side of the equation.
-38 + 4n + 38 + n2 = 0 + 38

Reorder the terms:
-38 + 38 + 4n + n2 = 0 + 38

Combine like terms: -38 + 38 = 0
0 + 4n + n2 = 0 + 38
4n + n2 = 0 + 38

Combine like terms: 0 + 38 = 38
4n + n2 = 38

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

Add '4' to each side of the equation.
4n + 4 + n2 = 38 + 4

Reorder the terms:
4 + 4n + n2 = 38 + 4

Combine like terms: 38 + 4 = 42
4 + 4n + n2 = 42

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

Calculate the square root of the right side: 6.480740698

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

Subproblem 1

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

Subproblem 2

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

Solution

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

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