n^2-3=14n

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Solution for n^2-3=14n equation:


Simplifying
n2 + -3 = 14n

Reorder the terms:
-3 + n2 = 14n

Solving
-3 + n2 = 14n

Solving for variable 'n'.

Reorder the terms:
-3 + -14n + n2 = 14n + -14n

Combine like terms: 14n + -14n = 0
-3 + -14n + n2 = 0

Begin completing the square.

Move the constant term to the right:

Add '3' to each side of the equation.
-3 + -14n + 3 + n2 = 0 + 3

Reorder the terms:
-3 + 3 + -14n + n2 = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -14n + n2 = 0 + 3
-14n + n2 = 0 + 3

Combine like terms: 0 + 3 = 3
-14n + n2 = 3

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 = 3 + 49

Reorder the terms:
49 + -14n + n2 = 3 + 49

Combine like terms: 3 + 49 = 52
49 + -14n + n2 = 52

Factor a perfect square on the left side:
(n + -7)(n + -7) = 52

Calculate the square root of the right side: 7.211102551

Break this problem into two subproblems by setting 
(n + -7) equal to 7.211102551 and -7.211102551.

Subproblem 1

n + -7 = 7.211102551 Simplifying n + -7 = 7.211102551 Reorder the terms: -7 + n = 7.211102551 Solving -7 + n = 7.211102551 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 = 7.211102551 + 7 Combine like terms: -7 + 7 = 0 0 + n = 7.211102551 + 7 n = 7.211102551 + 7 Combine like terms: 7.211102551 + 7 = 14.211102551 n = 14.211102551 Simplifying n = 14.211102551

Subproblem 2

n + -7 = -7.211102551 Simplifying n + -7 = -7.211102551 Reorder the terms: -7 + n = -7.211102551 Solving -7 + n = -7.211102551 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 = -7.211102551 + 7 Combine like terms: -7 + 7 = 0 0 + n = -7.211102551 + 7 n = -7.211102551 + 7 Combine like terms: -7.211102551 + 7 = -0.211102551 n = -0.211102551 Simplifying n = -0.211102551

Solution

The solution to the problem is based on the solutions from the subproblems. n = {14.211102551, -0.211102551}

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