64n^2-126n-177=0

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Solution for 64n^2-126n-177=0 equation:


Simplifying
64n2 + -126n + -177 = 0

Reorder the terms:
-177 + -126n + 64n2 = 0

Solving
-177 + -126n + 64n2 = 0

Solving for variable 'n'.

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

Divide each side by '64'.
-2.765625 + -1.96875n + n2 = 0

Move the constant term to the right:

Add '2.765625' to each side of the equation.
-2.765625 + -1.96875n + 2.765625 + n2 = 0 + 2.765625

Reorder the terms:
-2.765625 + 2.765625 + -1.96875n + n2 = 0 + 2.765625

Combine like terms: -2.765625 + 2.765625 = 0.000000
0.000000 + -1.96875n + n2 = 0 + 2.765625
-1.96875n + n2 = 0 + 2.765625

Combine like terms: 0 + 2.765625 = 2.765625
-1.96875n + n2 = 2.765625

The n term is -1.96875n.  Take half its coefficient (-0.984375).
Square it (0.9689941406) and add it to both sides.

Add '0.9689941406' to each side of the equation.
-1.96875n + 0.9689941406 + n2 = 2.765625 + 0.9689941406

Reorder the terms:
0.9689941406 + -1.96875n + n2 = 2.765625 + 0.9689941406

Combine like terms: 2.765625 + 0.9689941406 = 3.7346191406
0.9689941406 + -1.96875n + n2 = 3.7346191406

Factor a perfect square on the left side:
(n + -0.984375)(n + -0.984375) = 3.7346191406

Calculate the square root of the right side: 1.932516272

Break this problem into two subproblems by setting 
(n + -0.984375) equal to 1.932516272 and -1.932516272.

Subproblem 1

n + -0.984375 = 1.932516272 Simplifying n + -0.984375 = 1.932516272 Reorder the terms: -0.984375 + n = 1.932516272 Solving -0.984375 + n = 1.932516272 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '0.984375' to each side of the equation. -0.984375 + 0.984375 + n = 1.932516272 + 0.984375 Combine like terms: -0.984375 + 0.984375 = 0.000000 0.000000 + n = 1.932516272 + 0.984375 n = 1.932516272 + 0.984375 Combine like terms: 1.932516272 + 0.984375 = 2.916891272 n = 2.916891272 Simplifying n = 2.916891272

Subproblem 2

n + -0.984375 = -1.932516272 Simplifying n + -0.984375 = -1.932516272 Reorder the terms: -0.984375 + n = -1.932516272 Solving -0.984375 + n = -1.932516272 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '0.984375' to each side of the equation. -0.984375 + 0.984375 + n = -1.932516272 + 0.984375 Combine like terms: -0.984375 + 0.984375 = 0.000000 0.000000 + n = -1.932516272 + 0.984375 n = -1.932516272 + 0.984375 Combine like terms: -1.932516272 + 0.984375 = -0.948141272 n = -0.948141272 Simplifying n = -0.948141272

Solution

The solution to the problem is based on the solutions from the subproblems. n = {2.916891272, -0.948141272}

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