15n^2+112n+41=

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Solution for 15n^2+112n+41= equation:


Simplifying
15n2 + 112n + 41 = 0

Reorder the terms:
41 + 112n + 15n2 = 0

Solving
41 + 112n + 15n2 = 0

Solving for variable 'n'.

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

Divide each side by '15'.
2.733333333 + 7.466666667n + n2 = 0

Move the constant term to the right:

Add '-2.733333333' to each side of the equation.
2.733333333 + 7.466666667n + -2.733333333 + n2 = 0 + -2.733333333

Reorder the terms:
2.733333333 + -2.733333333 + 7.466666667n + n2 = 0 + -2.733333333

Combine like terms: 2.733333333 + -2.733333333 = 0.000000000
0.000000000 + 7.466666667n + n2 = 0 + -2.733333333
7.466666667n + n2 = 0 + -2.733333333

Combine like terms: 0 + -2.733333333 = -2.733333333
7.466666667n + n2 = -2.733333333

The n term is 7.466666667n.  Take half its coefficient (3.733333334).
Square it (13.93777778) and add it to both sides.

Add '13.93777778' to each side of the equation.
7.466666667n + 13.93777778 + n2 = -2.733333333 + 13.93777778

Reorder the terms:
13.93777778 + 7.466666667n + n2 = -2.733333333 + 13.93777778

Combine like terms: -2.733333333 + 13.93777778 = 11.204444447
13.93777778 + 7.466666667n + n2 = 11.204444447

Factor a perfect square on the left side:
(n + 3.733333334)(n + 3.733333334) = 11.204444447

Calculate the square root of the right side: 3.347304057

Break this problem into two subproblems by setting 
(n + 3.733333334) equal to 3.347304057 and -3.347304057.

Subproblem 1

n + 3.733333334 = 3.347304057 Simplifying n + 3.733333334 = 3.347304057 Reorder the terms: 3.733333334 + n = 3.347304057 Solving 3.733333334 + n = 3.347304057 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-3.733333334' to each side of the equation. 3.733333334 + -3.733333334 + n = 3.347304057 + -3.733333334 Combine like terms: 3.733333334 + -3.733333334 = 0.000000000 0.000000000 + n = 3.347304057 + -3.733333334 n = 3.347304057 + -3.733333334 Combine like terms: 3.347304057 + -3.733333334 = -0.386029277 n = -0.386029277 Simplifying n = -0.386029277

Subproblem 2

n + 3.733333334 = -3.347304057 Simplifying n + 3.733333334 = -3.347304057 Reorder the terms: 3.733333334 + n = -3.347304057 Solving 3.733333334 + n = -3.347304057 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-3.733333334' to each side of the equation. 3.733333334 + -3.733333334 + n = -3.347304057 + -3.733333334 Combine like terms: 3.733333334 + -3.733333334 = 0.000000000 0.000000000 + n = -3.347304057 + -3.733333334 n = -3.347304057 + -3.733333334 Combine like terms: -3.347304057 + -3.733333334 = -7.080637391 n = -7.080637391 Simplifying n = -7.080637391

Solution

The solution to the problem is based on the solutions from the subproblems. n = {-0.386029277, -7.080637391}

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