8n^2-16n-34=-2

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Solution for 8n^2-16n-34=-2 equation:


Simplifying
8n2 + -16n + -34 = -2

Reorder the terms:
-34 + -16n + 8n2 = -2

Solving
-34 + -16n + 8n2 = -2

Solving for variable 'n'.

Reorder the terms:
-34 + 2 + -16n + 8n2 = -2 + 2

Combine like terms: -34 + 2 = -32
-32 + -16n + 8n2 = -2 + 2

Combine like terms: -2 + 2 = 0
-32 + -16n + 8n2 = 0

Factor out the Greatest Common Factor (GCF), '8'.
8(-4 + -2n + n2) = 0

Ignore the factor 8.

Subproblem 1

Set the factor '(-4 + -2n + n2)' equal to zero and attempt to solve: Simplifying -4 + -2n + n2 = 0 Solving -4 + -2n + n2 = 0 Begin completing the square. Move the constant term to the right: Add '4' to each side of the equation. -4 + -2n + 4 + n2 = 0 + 4 Reorder the terms: -4 + 4 + -2n + n2 = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -2n + n2 = 0 + 4 -2n + n2 = 0 + 4 Combine like terms: 0 + 4 = 4 -2n + n2 = 4 The n term is -2n. Take half its coefficient (-1). Square it (1) and add it to both sides. Add '1' to each side of the equation. -2n + 1 + n2 = 4 + 1 Reorder the terms: 1 + -2n + n2 = 4 + 1 Combine like terms: 4 + 1 = 5 1 + -2n + n2 = 5 Factor a perfect square on the left side: (n + -1)(n + -1) = 5 Calculate the square root of the right side: 2.236067978 Break this problem into two subproblems by setting (n + -1) equal to 2.236067978 and -2.236067978.

Subproblem 1

n + -1 = 2.236067978 Simplifying n + -1 = 2.236067978 Reorder the terms: -1 + n = 2.236067978 Solving -1 + n = 2.236067978 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + n = 2.236067978 + 1 Combine like terms: -1 + 1 = 0 0 + n = 2.236067978 + 1 n = 2.236067978 + 1 Combine like terms: 2.236067978 + 1 = 3.236067978 n = 3.236067978 Simplifying n = 3.236067978

Subproblem 2

n + -1 = -2.236067978 Simplifying n + -1 = -2.236067978 Reorder the terms: -1 + n = -2.236067978 Solving -1 + n = -2.236067978 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + n = -2.236067978 + 1 Combine like terms: -1 + 1 = 0 0 + n = -2.236067978 + 1 n = -2.236067978 + 1 Combine like terms: -2.236067978 + 1 = -1.236067978 n = -1.236067978 Simplifying n = -1.236067978

Solution

The solution to the problem is based on the solutions from the subproblems. n = {3.236067978, -1.236067978}

Solution

n = {3.236067978, -1.236067978}

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