11n^2+12n=-7

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Solution for 11n^2+12n=-7 equation:


Simplifying
11n2 + 12n = -7

Reorder the terms:
12n + 11n2 = -7

Solving
12n + 11n2 = -7

Solving for variable 'n'.

Reorder the terms:
7 + 12n + 11n2 = -7 + 7

Combine like terms: -7 + 7 = 0
7 + 12n + 11n2 = 0

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

Divide each side by '11'.
0.6363636364 + 1.090909091n + n2 = 0

Move the constant term to the right:

Add '-0.6363636364' to each side of the equation.
0.6363636364 + 1.090909091n + -0.6363636364 + n2 = 0 + -0.6363636364

Reorder the terms:
0.6363636364 + -0.6363636364 + 1.090909091n + n2 = 0 + -0.6363636364

Combine like terms: 0.6363636364 + -0.6363636364 = 0.0000000000
0.0000000000 + 1.090909091n + n2 = 0 + -0.6363636364
1.090909091n + n2 = 0 + -0.6363636364

Combine like terms: 0 + -0.6363636364 = -0.6363636364
1.090909091n + n2 = -0.6363636364

The n term is 1.090909091n.  Take half its coefficient (0.5454545455).
Square it (0.2975206612) and add it to both sides.

Add '0.2975206612' to each side of the equation.
1.090909091n + 0.2975206612 + n2 = -0.6363636364 + 0.2975206612

Reorder the terms:
0.2975206612 + 1.090909091n + n2 = -0.6363636364 + 0.2975206612

Combine like terms: -0.6363636364 + 0.2975206612 = -0.3388429752
0.2975206612 + 1.090909091n + n2 = -0.3388429752

Factor a perfect square on the left side:
(n + 0.5454545455)(n + 0.5454545455) = -0.3388429752

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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