28n^2=-96-185n

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Solution for 28n^2=-96-185n equation:


Simplifying
28n2 = -96 + -185n

Solving
28n2 = -96 + -185n

Solving for variable 'n'.

Reorder the terms:
96 + 185n + 28n2 = -96 + -185n + 96 + 185n

Reorder the terms:
96 + 185n + 28n2 = -96 + 96 + -185n + 185n

Combine like terms: -96 + 96 = 0
96 + 185n + 28n2 = 0 + -185n + 185n
96 + 185n + 28n2 = -185n + 185n

Combine like terms: -185n + 185n = 0
96 + 185n + 28n2 = 0

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

Divide each side by '28'.
3.428571429 + 6.607142857n + n2 = 0

Move the constant term to the right:

Add '-3.428571429' to each side of the equation.
3.428571429 + 6.607142857n + -3.428571429 + n2 = 0 + -3.428571429

Reorder the terms:
3.428571429 + -3.428571429 + 6.607142857n + n2 = 0 + -3.428571429

Combine like terms: 3.428571429 + -3.428571429 = 0.000000000
0.000000000 + 6.607142857n + n2 = 0 + -3.428571429
6.607142857n + n2 = 0 + -3.428571429

Combine like terms: 0 + -3.428571429 = -3.428571429
6.607142857n + n2 = -3.428571429

The n term is 6.607142857n.  Take half its coefficient (3.303571429).
Square it (10.91358419) and add it to both sides.

Add '10.91358419' to each side of the equation.
6.607142857n + 10.91358419 + n2 = -3.428571429 + 10.91358419

Reorder the terms:
10.91358419 + 6.607142857n + n2 = -3.428571429 + 10.91358419

Combine like terms: -3.428571429 + 10.91358419 = 7.485012761
10.91358419 + 6.607142857n + n2 = 7.485012761

Factor a perfect square on the left side:
(n + 3.303571429)(n + 3.303571429) = 7.485012761

Calculate the square root of the right side: 2.735875136

Break this problem into two subproblems by setting 
(n + 3.303571429) equal to 2.735875136 and -2.735875136.

Subproblem 1

n + 3.303571429 = 2.735875136 Simplifying n + 3.303571429 = 2.735875136 Reorder the terms: 3.303571429 + n = 2.735875136 Solving 3.303571429 + n = 2.735875136 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-3.303571429' to each side of the equation. 3.303571429 + -3.303571429 + n = 2.735875136 + -3.303571429 Combine like terms: 3.303571429 + -3.303571429 = 0.000000000 0.000000000 + n = 2.735875136 + -3.303571429 n = 2.735875136 + -3.303571429 Combine like terms: 2.735875136 + -3.303571429 = -0.567696293 n = -0.567696293 Simplifying n = -0.567696293

Subproblem 2

n + 3.303571429 = -2.735875136 Simplifying n + 3.303571429 = -2.735875136 Reorder the terms: 3.303571429 + n = -2.735875136 Solving 3.303571429 + n = -2.735875136 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-3.303571429' to each side of the equation. 3.303571429 + -3.303571429 + n = -2.735875136 + -3.303571429 Combine like terms: 3.303571429 + -3.303571429 = 0.000000000 0.000000000 + n = -2.735875136 + -3.303571429 n = -2.735875136 + -3.303571429 Combine like terms: -2.735875136 + -3.303571429 = -6.039446565 n = -6.039446565 Simplifying n = -6.039446565

Solution

The solution to the problem is based on the solutions from the subproblems. n = {-0.567696293, -6.039446565}

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