n^2+60n-336=0

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Solution for n^2+60n-336=0 equation:


Simplifying
n2 + 60n + -336 = 0

Reorder the terms:
-336 + 60n + n2 = 0

Solving
-336 + 60n + n2 = 0

Solving for variable 'n'.

Begin completing the square.

Move the constant term to the right:

Add '336' to each side of the equation.
-336 + 60n + 336 + n2 = 0 + 336

Reorder the terms:
-336 + 336 + 60n + n2 = 0 + 336

Combine like terms: -336 + 336 = 0
0 + 60n + n2 = 0 + 336
60n + n2 = 0 + 336

Combine like terms: 0 + 336 = 336
60n + n2 = 336

The n term is 60n.  Take half its coefficient (30).
Square it (900) and add it to both sides.

Add '900' to each side of the equation.
60n + 900 + n2 = 336 + 900

Reorder the terms:
900 + 60n + n2 = 336 + 900

Combine like terms: 336 + 900 = 1236
900 + 60n + n2 = 1236

Factor a perfect square on the left side:
(n + 30)(n + 30) = 1236

Calculate the square root of the right side: 35.156791662

Break this problem into two subproblems by setting 
(n + 30) equal to 35.156791662 and -35.156791662.

Subproblem 1

n + 30 = 35.156791662 Simplifying n + 30 = 35.156791662 Reorder the terms: 30 + n = 35.156791662 Solving 30 + n = 35.156791662 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-30' to each side of the equation. 30 + -30 + n = 35.156791662 + -30 Combine like terms: 30 + -30 = 0 0 + n = 35.156791662 + -30 n = 35.156791662 + -30 Combine like terms: 35.156791662 + -30 = 5.156791662 n = 5.156791662 Simplifying n = 5.156791662

Subproblem 2

n + 30 = -35.156791662 Simplifying n + 30 = -35.156791662 Reorder the terms: 30 + n = -35.156791662 Solving 30 + n = -35.156791662 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-30' to each side of the equation. 30 + -30 + n = -35.156791662 + -30 Combine like terms: 30 + -30 = 0 0 + n = -35.156791662 + -30 n = -35.156791662 + -30 Combine like terms: -35.156791662 + -30 = -65.156791662 n = -65.156791662 Simplifying n = -65.156791662

Solution

The solution to the problem is based on the solutions from the subproblems. n = {5.156791662, -65.156791662}

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