(7n^2-1n+56)=0

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Solution for (7n^2-1n+56)=0 equation:


Simplifying
(7n2 + -1n + 56) = 0

Reorder the terms:
(56 + -1n + 7n2) = 0

Remove parenthesis around (56 + -1n + 7n2)
56 + -1n + 7n2 = 0

Solving
56 + -1n + 7n2 = 0

Solving for variable 'n'.

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

Divide each side by '7'.
8 + -0.1428571429n + n2 = 0

Move the constant term to the right:

Add '-8' to each side of the equation.
8 + -0.1428571429n + -8 + n2 = 0 + -8

Reorder the terms:
8 + -8 + -0.1428571429n + n2 = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -0.1428571429n + n2 = 0 + -8
-0.1428571429n + n2 = 0 + -8

Combine like terms: 0 + -8 = -8
-0.1428571429n + n2 = -8

The n term is -0.1428571429n.  Take half its coefficient (-0.07142857145).
Square it (0.005102040819) and add it to both sides.

Add '0.005102040819' to each side of the equation.
-0.1428571429n + 0.005102040819 + n2 = -8 + 0.005102040819

Reorder the terms:
0.005102040819 + -0.1428571429n + n2 = -8 + 0.005102040819

Combine like terms: -8 + 0.005102040819 = -7.994897959181
0.005102040819 + -0.1428571429n + n2 = -7.994897959181

Factor a perfect square on the left side:
(n + -0.07142857145)(n + -0.07142857145) = -7.994897959181

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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