-3n^2-14n+13=-4n^2+5

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Solution for -3n^2-14n+13=-4n^2+5 equation:


Simplifying
-3n2 + -14n + 13 = -4n2 + 5

Reorder the terms:
13 + -14n + -3n2 = -4n2 + 5

Reorder the terms:
13 + -14n + -3n2 = 5 + -4n2

Solving
13 + -14n + -3n2 = 5 + -4n2

Solving for variable 'n'.

Reorder the terms:
13 + -5 + -14n + -3n2 + 4n2 = 5 + -4n2 + -5 + 4n2

Combine like terms: 13 + -5 = 8
8 + -14n + -3n2 + 4n2 = 5 + -4n2 + -5 + 4n2

Combine like terms: -3n2 + 4n2 = 1n2
8 + -14n + 1n2 = 5 + -4n2 + -5 + 4n2

Reorder the terms:
8 + -14n + 1n2 = 5 + -5 + -4n2 + 4n2

Combine like terms: 5 + -5 = 0
8 + -14n + 1n2 = 0 + -4n2 + 4n2
8 + -14n + 1n2 = -4n2 + 4n2

Combine like terms: -4n2 + 4n2 = 0
8 + -14n + 1n2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-8' to each side of the equation.
8 + -14n + -8 + n2 = 0 + -8

Reorder the terms:
8 + -8 + -14n + n2 = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -14n + n2 = 0 + -8
-14n + n2 = 0 + -8

Combine like terms: 0 + -8 = -8
-14n + n2 = -8

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 = -8 + 49

Reorder the terms:
49 + -14n + n2 = -8 + 49

Combine like terms: -8 + 49 = 41
49 + -14n + n2 = 41

Factor a perfect square on the left side:
(n + -7)(n + -7) = 41

Calculate the square root of the right side: 6.403124237

Break this problem into two subproblems by setting 
(n + -7) equal to 6.403124237 and -6.403124237.

Subproblem 1

n + -7 = 6.403124237 Simplifying n + -7 = 6.403124237 Reorder the terms: -7 + n = 6.403124237 Solving -7 + n = 6.403124237 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 = 6.403124237 + 7 Combine like terms: -7 + 7 = 0 0 + n = 6.403124237 + 7 n = 6.403124237 + 7 Combine like terms: 6.403124237 + 7 = 13.403124237 n = 13.403124237 Simplifying n = 13.403124237

Subproblem 2

n + -7 = -6.403124237 Simplifying n + -7 = -6.403124237 Reorder the terms: -7 + n = -6.403124237 Solving -7 + n = -6.403124237 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 = -6.403124237 + 7 Combine like terms: -7 + 7 = 0 0 + n = -6.403124237 + 7 n = -6.403124237 + 7 Combine like terms: -6.403124237 + 7 = 0.596875763 n = 0.596875763 Simplifying n = 0.596875763

Solution

The solution to the problem is based on the solutions from the subproblems. n = {13.403124237, 0.596875763}

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