.1g^2+g=-.4

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Solution for .1g^2+g=-.4 equation:


Simplifying
0.1g2 + g = -0.4

Reorder the terms:
g + 0.1g2 = -0.4

Solving
g + 0.1g2 = -0.4

Solving for variable 'g'.

Reorder the terms:
0.4 + g + 0.1g2 = -0.4 + 0.4

Combine like terms: -0.4 + 0.4 = 0.0
0.4 + g + 0.1g2 = 0.0

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

Divide each side by '0.1'.
4 + 10g + g2 = 0

Move the constant term to the right:

Add '-4' to each side of the equation.
4 + 10g + -4 + g2 = 0 + -4

Reorder the terms:
4 + -4 + 10g + g2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 10g + g2 = 0 + -4
10g + g2 = 0 + -4

Combine like terms: 0 + -4 = -4
10g + g2 = -4

The g term is g.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
10g + 0.25 + g2 = -4 + 0.25

Reorder the terms:
0.25 + 10g + g2 = -4 + 0.25

Combine like terms: -4 + 0.25 = -3.75
0.25 + 10g + g2 = -3.75

Factor a perfect square on the left side:
(g + 0.5)(g + 0.5) = -3.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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