n^2=-25-12n

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Solution for n^2=-25-12n equation:


Simplifying
n2 = -25 + -12n

Solving
n2 = -25 + -12n

Solving for variable 'n'.

Reorder the terms:
25 + 12n + n2 = -25 + -12n + 25 + 12n

Reorder the terms:
25 + 12n + n2 = -25 + 25 + -12n + 12n

Combine like terms: -25 + 25 = 0
25 + 12n + n2 = 0 + -12n + 12n
25 + 12n + n2 = -12n + 12n

Combine like terms: -12n + 12n = 0
25 + 12n + n2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-25' to each side of the equation.
25 + 12n + -25 + n2 = 0 + -25

Reorder the terms:
25 + -25 + 12n + n2 = 0 + -25

Combine like terms: 25 + -25 = 0
0 + 12n + n2 = 0 + -25
12n + n2 = 0 + -25

Combine like terms: 0 + -25 = -25
12n + n2 = -25

The n term is 12n.  Take half its coefficient (6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
12n + 36 + n2 = -25 + 36

Reorder the terms:
36 + 12n + n2 = -25 + 36

Combine like terms: -25 + 36 = 11
36 + 12n + n2 = 11

Factor a perfect square on the left side:
(n + 6)(n + 6) = 11

Calculate the square root of the right side: 3.31662479

Break this problem into two subproblems by setting 
(n + 6) equal to 3.31662479 and -3.31662479.

Subproblem 1

n + 6 = 3.31662479 Simplifying n + 6 = 3.31662479 Reorder the terms: 6 + n = 3.31662479 Solving 6 + n = 3.31662479 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + n = 3.31662479 + -6 Combine like terms: 6 + -6 = 0 0 + n = 3.31662479 + -6 n = 3.31662479 + -6 Combine like terms: 3.31662479 + -6 = -2.68337521 n = -2.68337521 Simplifying n = -2.68337521

Subproblem 2

n + 6 = -3.31662479 Simplifying n + 6 = -3.31662479 Reorder the terms: 6 + n = -3.31662479 Solving 6 + n = -3.31662479 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + n = -3.31662479 + -6 Combine like terms: 6 + -6 = 0 0 + n = -3.31662479 + -6 n = -3.31662479 + -6 Combine like terms: -3.31662479 + -6 = -9.31662479 n = -9.31662479 Simplifying n = -9.31662479

Solution

The solution to the problem is based on the solutions from the subproblems. n = {-2.68337521, -9.31662479}

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