8n^2=-7n-7

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Solution for 8n^2=-7n-7 equation:


Simplifying
8n2 = -7n + -7

Reorder the terms:
8n2 = -7 + -7n

Solving
8n2 = -7 + -7n

Solving for variable 'n'.

Reorder the terms:
7 + 7n + 8n2 = -7 + -7n + 7 + 7n

Reorder the terms:
7 + 7n + 8n2 = -7 + 7 + -7n + 7n

Combine like terms: -7 + 7 = 0
7 + 7n + 8n2 = 0 + -7n + 7n
7 + 7n + 8n2 = -7n + 7n

Combine like terms: -7n + 7n = 0
7 + 7n + 8n2 = 0

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

Divide each side by '8'.
0.875 + 0.875n + n2 = 0

Move the constant term to the right:

Add '-0.875' to each side of the equation.
0.875 + 0.875n + -0.875 + n2 = 0 + -0.875

Reorder the terms:
0.875 + -0.875 + 0.875n + n2 = 0 + -0.875

Combine like terms: 0.875 + -0.875 = 0.000
0.000 + 0.875n + n2 = 0 + -0.875
0.875n + n2 = 0 + -0.875

Combine like terms: 0 + -0.875 = -0.875
0.875n + n2 = -0.875

The n term is 0.875n.  Take half its coefficient (0.4375).
Square it (0.19140625) and add it to both sides.

Add '0.19140625' to each side of the equation.
0.875n + 0.19140625 + n2 = -0.875 + 0.19140625

Reorder the terms:
0.19140625 + 0.875n + n2 = -0.875 + 0.19140625

Combine like terms: -0.875 + 0.19140625 = -0.68359375
0.19140625 + 0.875n + n2 = -0.68359375

Factor a perfect square on the left side:
(n + 0.4375)(n + 0.4375) = -0.68359375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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