8n^2+3n+10+3n^2-6n-7=

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Solution for 8n^2+3n+10+3n^2-6n-7= equation:


Simplifying
8n2 + 3n + 10 + 3n2 + -6n + -7 = 0

Reorder the terms:
10 + -7 + 3n + -6n + 8n2 + 3n2 = 0

Combine like terms: 10 + -7 = 3
3 + 3n + -6n + 8n2 + 3n2 = 0

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

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

Solving
3 + -3n + 11n2 = 0

Solving for variable 'n'.

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

Divide each side by '11'.
0.2727272727 + -0.2727272727n + n2 = 0

Move the constant term to the right:

Add '-0.2727272727' to each side of the equation.
0.2727272727 + -0.2727272727n + -0.2727272727 + n2 = 0 + -0.2727272727

Reorder the terms:
0.2727272727 + -0.2727272727 + -0.2727272727n + n2 = 0 + -0.2727272727

Combine like terms: 0.2727272727 + -0.2727272727 = 0.0000000000
0.0000000000 + -0.2727272727n + n2 = 0 + -0.2727272727
-0.2727272727n + n2 = 0 + -0.2727272727

Combine like terms: 0 + -0.2727272727 = -0.2727272727
-0.2727272727n + n2 = -0.2727272727

The n term is -0.2727272727n.  Take half its coefficient (-0.1363636364).
Square it (0.01859504133) and add it to both sides.

Add '0.01859504133' to each side of the equation.
-0.2727272727n + 0.01859504133 + n2 = -0.2727272727 + 0.01859504133

Reorder the terms:
0.01859504133 + -0.2727272727n + n2 = -0.2727272727 + 0.01859504133

Combine like terms: -0.2727272727 + 0.01859504133 = -0.25413223137
0.01859504133 + -0.2727272727n + n2 = -0.25413223137

Factor a perfect square on the left side:
(n + -0.1363636364)(n + -0.1363636364) = -0.25413223137

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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