n^2+14n+-56=-10

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Solution for n^2+14n+-56=-10 equation:


Simplifying
n2 + 14n + -56 = -10

Reorder the terms:
-56 + 14n + n2 = -10

Solving
-56 + 14n + n2 = -10

Solving for variable 'n'.

Reorder the terms:
-56 + 10 + 14n + n2 = -10 + 10

Combine like terms: -56 + 10 = -46
-46 + 14n + n2 = -10 + 10

Combine like terms: -10 + 10 = 0
-46 + 14n + n2 = 0

Begin completing the square.

Move the constant term to the right:

Add '46' to each side of the equation.
-46 + 14n + 46 + n2 = 0 + 46

Reorder the terms:
-46 + 46 + 14n + n2 = 0 + 46

Combine like terms: -46 + 46 = 0
0 + 14n + n2 = 0 + 46
14n + n2 = 0 + 46

Combine like terms: 0 + 46 = 46
14n + n2 = 46

The n term is 14n.  Take half its coefficient (7).
Square it (49) and add it to both sides.

Add '49' to each side of the equation.
14n + 49 + n2 = 46 + 49

Reorder the terms:
49 + 14n + n2 = 46 + 49

Combine like terms: 46 + 49 = 95
49 + 14n + n2 = 95

Factor a perfect square on the left side:
(n + 7)(n + 7) = 95

Calculate the square root of the right side: 9.746794345

Break this problem into two subproblems by setting 
(n + 7) equal to 9.746794345 and -9.746794345.

Subproblem 1

n + 7 = 9.746794345 Simplifying n + 7 = 9.746794345 Reorder the terms: 7 + n = 9.746794345 Solving 7 + n = 9.746794345 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + n = 9.746794345 + -7 Combine like terms: 7 + -7 = 0 0 + n = 9.746794345 + -7 n = 9.746794345 + -7 Combine like terms: 9.746794345 + -7 = 2.746794345 n = 2.746794345 Simplifying n = 2.746794345

Subproblem 2

n + 7 = -9.746794345 Simplifying n + 7 = -9.746794345 Reorder the terms: 7 + n = -9.746794345 Solving 7 + n = -9.746794345 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + n = -9.746794345 + -7 Combine like terms: 7 + -7 = 0 0 + n = -9.746794345 + -7 n = -9.746794345 + -7 Combine like terms: -9.746794345 + -7 = -16.746794345 n = -16.746794345 Simplifying n = -16.746794345

Solution

The solution to the problem is based on the solutions from the subproblems. n = {2.746794345, -16.746794345}

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