n^2-14n+35=0

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Solution for n^2-14n+35=0 equation:


Simplifying
n2 + -14n + 35 = 0

Reorder the terms:
35 + -14n + n2 = 0

Solving
35 + -14n + n2 = 0

Solving for variable 'n'.

Begin completing the square.

Move the constant term to the right:

Add '-35' to each side of the equation.
35 + -14n + -35 + n2 = 0 + -35

Reorder the terms:
35 + -35 + -14n + n2 = 0 + -35

Combine like terms: 35 + -35 = 0
0 + -14n + n2 = 0 + -35
-14n + n2 = 0 + -35

Combine like terms: 0 + -35 = -35
-14n + n2 = -35

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 = -35 + 49

Reorder the terms:
49 + -14n + n2 = -35 + 49

Combine like terms: -35 + 49 = 14
49 + -14n + n2 = 14

Factor a perfect square on the left side:
(n + -7)(n + -7) = 14

Calculate the square root of the right side: 3.741657387

Break this problem into two subproblems by setting 
(n + -7) equal to 3.741657387 and -3.741657387.

Subproblem 1

n + -7 = 3.741657387 Simplifying n + -7 = 3.741657387 Reorder the terms: -7 + n = 3.741657387 Solving -7 + n = 3.741657387 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 = 3.741657387 + 7 Combine like terms: -7 + 7 = 0 0 + n = 3.741657387 + 7 n = 3.741657387 + 7 Combine like terms: 3.741657387 + 7 = 10.741657387 n = 10.741657387 Simplifying n = 10.741657387

Subproblem 2

n + -7 = -3.741657387 Simplifying n + -7 = -3.741657387 Reorder the terms: -7 + n = -3.741657387 Solving -7 + n = -3.741657387 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 = -3.741657387 + 7 Combine like terms: -7 + 7 = 0 0 + n = -3.741657387 + 7 n = -3.741657387 + 7 Combine like terms: -3.741657387 + 7 = 3.258342613 n = 3.258342613 Simplifying n = 3.258342613

Solution

The solution to the problem is based on the solutions from the subproblems. n = {10.741657387, 3.258342613}

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