7n^2+6n+12=0

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Solution for 7n^2+6n+12=0 equation:


Simplifying
7n2 + 6n + 12 = 0

Reorder the terms:
12 + 6n + 7n2 = 0

Solving
12 + 6n + 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'.
1.714285714 + 0.8571428571n + n2 = 0

Move the constant term to the right:

Add '-1.714285714' to each side of the equation.
1.714285714 + 0.8571428571n + -1.714285714 + n2 = 0 + -1.714285714

Reorder the terms:
1.714285714 + -1.714285714 + 0.8571428571n + n2 = 0 + -1.714285714

Combine like terms: 1.714285714 + -1.714285714 = 0.000000000
0.000000000 + 0.8571428571n + n2 = 0 + -1.714285714
0.8571428571n + n2 = 0 + -1.714285714

Combine like terms: 0 + -1.714285714 = -1.714285714
0.8571428571n + n2 = -1.714285714

The n term is 0.8571428571n.  Take half its coefficient (0.4285714286).
Square it (0.1836734694) and add it to both sides.

Add '0.1836734694' to each side of the equation.
0.8571428571n + 0.1836734694 + n2 = -1.714285714 + 0.1836734694

Reorder the terms:
0.1836734694 + 0.8571428571n + n2 = -1.714285714 + 0.1836734694

Combine like terms: -1.714285714 + 0.1836734694 = -1.5306122446
0.1836734694 + 0.8571428571n + n2 = -1.5306122446

Factor a perfect square on the left side:
(n + 0.4285714286)(n + 0.4285714286) = -1.5306122446

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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