(-6-n+2n^2)+(8-3n-19n^2)=

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Solution for (-6-n+2n^2)+(8-3n-19n^2)= equation:


Simplifying
(-6 + -1n + 2n2) + (8 + -3n + -19n2) = 0

Remove parenthesis around (-6 + -1n + 2n2)
-6 + -1n + 2n2 + (8 + -3n + -19n2) = 0

Remove parenthesis around (8 + -3n + -19n2)
-6 + -1n + 2n2 + 8 + -3n + -19n2 = 0

Reorder the terms:
-6 + 8 + -1n + -3n + 2n2 + -19n2 = 0

Combine like terms: -6 + 8 = 2
2 + -1n + -3n + 2n2 + -19n2 = 0

Combine like terms: -1n + -3n = -4n
2 + -4n + 2n2 + -19n2 = 0

Combine like terms: 2n2 + -19n2 = -17n2
2 + -4n + -17n2 = 0

Solving
2 + -4n + -17n2 = 0

Solving for variable 'n'.

Begin completing the square.  Divide all terms by
-17 the coefficient of the squared term: 

Divide each side by '-17'.
-0.1176470588 + 0.2352941176n + n2 = 0

Move the constant term to the right:

Add '0.1176470588' to each side of the equation.
-0.1176470588 + 0.2352941176n + 0.1176470588 + n2 = 0 + 0.1176470588

Reorder the terms:
-0.1176470588 + 0.1176470588 + 0.2352941176n + n2 = 0 + 0.1176470588

Combine like terms: -0.1176470588 + 0.1176470588 = 0.0000000000
0.0000000000 + 0.2352941176n + n2 = 0 + 0.1176470588
0.2352941176n + n2 = 0 + 0.1176470588

Combine like terms: 0 + 0.1176470588 = 0.1176470588
0.2352941176n + n2 = 0.1176470588

The n term is 0.2352941176n.  Take half its coefficient (0.1176470588).
Square it (0.01384083044) and add it to both sides.

Add '0.01384083044' to each side of the equation.
0.2352941176n + 0.01384083044 + n2 = 0.1176470588 + 0.01384083044

Reorder the terms:
0.01384083044 + 0.2352941176n + n2 = 0.1176470588 + 0.01384083044

Combine like terms: 0.1176470588 + 0.01384083044 = 0.13148788924
0.01384083044 + 0.2352941176n + n2 = 0.13148788924

Factor a perfect square on the left side:
(n + 0.1176470588)(n + 0.1176470588) = 0.13148788924

Calculate the square root of the right side: 0.362612588

Break this problem into two subproblems by setting 
(n + 0.1176470588) equal to 0.362612588 and -0.362612588.

Subproblem 1

n + 0.1176470588 = 0.362612588 Simplifying n + 0.1176470588 = 0.362612588 Reorder the terms: 0.1176470588 + n = 0.362612588 Solving 0.1176470588 + n = 0.362612588 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-0.1176470588' to each side of the equation. 0.1176470588 + -0.1176470588 + n = 0.362612588 + -0.1176470588 Combine like terms: 0.1176470588 + -0.1176470588 = 0.0000000000 0.0000000000 + n = 0.362612588 + -0.1176470588 n = 0.362612588 + -0.1176470588 Combine like terms: 0.362612588 + -0.1176470588 = 0.2449655292 n = 0.2449655292 Simplifying n = 0.2449655292

Subproblem 2

n + 0.1176470588 = -0.362612588 Simplifying n + 0.1176470588 = -0.362612588 Reorder the terms: 0.1176470588 + n = -0.362612588 Solving 0.1176470588 + n = -0.362612588 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-0.1176470588' to each side of the equation. 0.1176470588 + -0.1176470588 + n = -0.362612588 + -0.1176470588 Combine like terms: 0.1176470588 + -0.1176470588 = 0.0000000000 0.0000000000 + n = -0.362612588 + -0.1176470588 n = -0.362612588 + -0.1176470588 Combine like terms: -0.362612588 + -0.1176470588 = -0.4802596468 n = -0.4802596468 Simplifying n = -0.4802596468

Solution

The solution to the problem is based on the solutions from the subproblems. n = {0.2449655292, -0.4802596468}

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