(8n-3)+(4n^2+3n-3)=

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Solution for (8n-3)+(4n^2+3n-3)= equation:


Simplifying
(8n + -3) + (4n2 + 3n + -3) = 0

Reorder the terms:
(-3 + 8n) + (4n2 + 3n + -3) = 0

Remove parenthesis around (-3 + 8n)
-3 + 8n + (4n2 + 3n + -3) = 0

Reorder the terms:
-3 + 8n + (-3 + 3n + 4n2) = 0

Remove parenthesis around (-3 + 3n + 4n2)
-3 + 8n + -3 + 3n + 4n2 = 0

Reorder the terms:
-3 + -3 + 8n + 3n + 4n2 = 0

Combine like terms: -3 + -3 = -6
-6 + 8n + 3n + 4n2 = 0

Combine like terms: 8n + 3n = 11n
-6 + 11n + 4n2 = 0

Solving
-6 + 11n + 4n2 = 0

Solving for variable 'n'.

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

Divide each side by '4'.
-1.5 + 2.75n + n2 = 0

Move the constant term to the right:

Add '1.5' to each side of the equation.
-1.5 + 2.75n + 1.5 + n2 = 0 + 1.5

Reorder the terms:
-1.5 + 1.5 + 2.75n + n2 = 0 + 1.5

Combine like terms: -1.5 + 1.5 = 0.0
0.0 + 2.75n + n2 = 0 + 1.5
2.75n + n2 = 0 + 1.5

Combine like terms: 0 + 1.5 = 1.5
2.75n + n2 = 1.5

The n term is 2.75n.  Take half its coefficient (1.375).
Square it (1.890625) and add it to both sides.

Add '1.890625' to each side of the equation.
2.75n + 1.890625 + n2 = 1.5 + 1.890625

Reorder the terms:
1.890625 + 2.75n + n2 = 1.5 + 1.890625

Combine like terms: 1.5 + 1.890625 = 3.390625
1.890625 + 2.75n + n2 = 3.390625

Factor a perfect square on the left side:
(n + 1.375)(n + 1.375) = 3.390625

Calculate the square root of the right side: 1.841364983

Break this problem into two subproblems by setting 
(n + 1.375) equal to 1.841364983 and -1.841364983.

Subproblem 1

n + 1.375 = 1.841364983 Simplifying n + 1.375 = 1.841364983 Reorder the terms: 1.375 + n = 1.841364983 Solving 1.375 + n = 1.841364983 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-1.375' to each side of the equation. 1.375 + -1.375 + n = 1.841364983 + -1.375 Combine like terms: 1.375 + -1.375 = 0.000 0.000 + n = 1.841364983 + -1.375 n = 1.841364983 + -1.375 Combine like terms: 1.841364983 + -1.375 = 0.466364983 n = 0.466364983 Simplifying n = 0.466364983

Subproblem 2

n + 1.375 = -1.841364983 Simplifying n + 1.375 = -1.841364983 Reorder the terms: 1.375 + n = -1.841364983 Solving 1.375 + n = -1.841364983 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-1.375' to each side of the equation. 1.375 + -1.375 + n = -1.841364983 + -1.375 Combine like terms: 1.375 + -1.375 = 0.000 0.000 + n = -1.841364983 + -1.375 n = -1.841364983 + -1.375 Combine like terms: -1.841364983 + -1.375 = -3.216364983 n = -3.216364983 Simplifying n = -3.216364983

Solution

The solution to the problem is based on the solutions from the subproblems. n = {0.466364983, -3.216364983}

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