n^2-14n=29

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Solution for n^2-14n=29 equation:


Simplifying
n2 + -14n = 29

Reorder the terms:
-14n + n2 = 29

Solving
-14n + n2 = 29

Solving for variable 'n'.

Reorder the terms:
-29 + -14n + n2 = 29 + -29

Combine like terms: 29 + -29 = 0
-29 + -14n + n2 = 0

Begin completing the square.

Move the constant term to the right:

Add '29' to each side of the equation.
-29 + -14n + 29 + n2 = 0 + 29

Reorder the terms:
-29 + 29 + -14n + n2 = 0 + 29

Combine like terms: -29 + 29 = 0
0 + -14n + n2 = 0 + 29
-14n + n2 = 0 + 29

Combine like terms: 0 + 29 = 29
-14n + n2 = 29

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 = 29 + 49

Reorder the terms:
49 + -14n + n2 = 29 + 49

Combine like terms: 29 + 49 = 78
49 + -14n + n2 = 78

Factor a perfect square on the left side:
(n + -7)(n + -7) = 78

Calculate the square root of the right side: 8.831760866

Break this problem into two subproblems by setting 
(n + -7) equal to 8.831760866 and -8.831760866.

Subproblem 1

n + -7 = 8.831760866 Simplifying n + -7 = 8.831760866 Reorder the terms: -7 + n = 8.831760866 Solving -7 + n = 8.831760866 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 = 8.831760866 + 7 Combine like terms: -7 + 7 = 0 0 + n = 8.831760866 + 7 n = 8.831760866 + 7 Combine like terms: 8.831760866 + 7 = 15.831760866 n = 15.831760866 Simplifying n = 15.831760866

Subproblem 2

n + -7 = -8.831760866 Simplifying n + -7 = -8.831760866 Reorder the terms: -7 + n = -8.831760866 Solving -7 + n = -8.831760866 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 = -8.831760866 + 7 Combine like terms: -7 + 7 = 0 0 + n = -8.831760866 + 7 n = -8.831760866 + 7 Combine like terms: -8.831760866 + 7 = -1.831760866 n = -1.831760866 Simplifying n = -1.831760866

Solution

The solution to the problem is based on the solutions from the subproblems. n = {15.831760866, -1.831760866}

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