7v^2+14v+8=0

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Solution for 7v^2+14v+8=0 equation:


Simplifying
7v2 + 14v + 8 = 0

Reorder the terms:
8 + 14v + 7v2 = 0

Solving
8 + 14v + 7v2 = 0

Solving for variable 'v'.

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

Divide each side by '7'.
1.142857143 + 2v + v2 = 0

Move the constant term to the right:

Add '-1.142857143' to each side of the equation.
1.142857143 + 2v + -1.142857143 + v2 = 0 + -1.142857143

Reorder the terms:
1.142857143 + -1.142857143 + 2v + v2 = 0 + -1.142857143

Combine like terms: 1.142857143 + -1.142857143 = 0.000000000
0.000000000 + 2v + v2 = 0 + -1.142857143
2v + v2 = 0 + -1.142857143

Combine like terms: 0 + -1.142857143 = -1.142857143
2v + v2 = -1.142857143

The v term is 2v.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2v + 1 + v2 = -1.142857143 + 1

Reorder the terms:
1 + 2v + v2 = -1.142857143 + 1

Combine like terms: -1.142857143 + 1 = -0.142857143
1 + 2v + v2 = -0.142857143

Factor a perfect square on the left side:
(v + 1)(v + 1) = -0.142857143

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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