g^2+2g+.4=.9g+g

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Solution for g^2+2g+.4=.9g+g equation:


Simplifying
g2 + 2g + 0.4 = 0.9g + g

Reorder the terms:
0.4 + 2g + g2 = 0.9g + g

Combine like terms: 0.9g + g = 1.9g
0.4 + 2g + g2 = 1.9g

Solving
0.4 + 2g + g2 = 1.9g

Solving for variable 'g'.

Reorder the terms:
0.4 + 2g + -1.9g + g2 = 1.9g + -1.9g

Combine like terms: 2g + -1.9g = 0.1g
0.4 + 0.1g + g2 = 1.9g + -1.9g

Combine like terms: 1.9g + -1.9g = 0.0
0.4 + 0.1g + g2 = 0.0

Begin completing the square.

Move the constant term to the right:

Add '-0.4' to each side of the equation.
0.4 + 0.1g + -0.4 + g2 = 0.0 + -0.4

Reorder the terms:
0.4 + -0.4 + 0.1g + g2 = 0.0 + -0.4

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

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

The g term is 0.1g.  Take half its coefficient (0.05).
Square it (0.0025) and add it to both sides.

Add '0.0025' to each side of the equation.
0.1g + 0.0025 + g2 = -0.4 + 0.0025

Reorder the terms:
0.0025 + 0.1g + g2 = -0.4 + 0.0025

Combine like terms: -0.4 + 0.0025 = -0.3975
0.0025 + 0.1g + g2 = -0.3975

Factor a perfect square on the left side:
(g + 0.05)(g + 0.05) = -0.3975

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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