3g-g(g-8)=82

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Solution for 3g-g(g-8)=82 equation:


Simplifying
3g + -1g(g + -8) = 82

Reorder the terms:
3g + -1g(-8 + g) = 82
3g + (-8 * -1g + g * -1g) = 82
3g + (8g + -1g2) = 82

Combine like terms: 3g + 8g = 11g
11g + -1g2 = 82

Solving
11g + -1g2 = 82

Solving for variable 'g'.

Reorder the terms:
-82 + 11g + -1g2 = 82 + -82

Combine like terms: 82 + -82 = 0
-82 + 11g + -1g2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
82 + -11g + g2 = 0

Move the constant term to the right:

Add '-82' to each side of the equation.
82 + -11g + -82 + g2 = 0 + -82

Reorder the terms:
82 + -82 + -11g + g2 = 0 + -82

Combine like terms: 82 + -82 = 0
0 + -11g + g2 = 0 + -82
-11g + g2 = 0 + -82

Combine like terms: 0 + -82 = -82
-11g + g2 = -82

The g term is -11g.  Take half its coefficient (-5.5).
Square it (30.25) and add it to both sides.

Add '30.25' to each side of the equation.
-11g + 30.25 + g2 = -82 + 30.25

Reorder the terms:
30.25 + -11g + g2 = -82 + 30.25

Combine like terms: -82 + 30.25 = -51.75
30.25 + -11g + g2 = -51.75

Factor a perfect square on the left side:
(g + -5.5)(g + -5.5) = -51.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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