-4=(g^2)-4g

Solution for -4=(g^2)-4g equation:

Simplifying
-4 = (g2) + -4g
-4 = g2 + -4g

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

Solving
-4 = -4g + g2

Solving for variable 'g'.

Reorder the terms:
-4 + 4g + -1g2 = -4g + 4g + g2 + -1g2

Combine like terms: -4g + 4g = 0
-4 + 4g + -1g2 = 0 + g2 + -1g2
-4 + 4g + -1g2 = g2 + -1g2

Combine like terms: g2 + -1g2 = 0
-4 + 4g + -1g2 = 0

Factor a trinomial.
(-2 + g)(2 + -1g) = 0

Subproblem 1
Set the factor '(-2 + g)' equal to zero and attempt to solve:

Simplifying
-2 + g = 0

Solving
-2 + g = 0

Move all terms containing g to the left, all other terms to the right.

Add '2' to each side of the equation.
-2 + 2 + g = 0 + 2

Combine like terms: -2 + 2 = 0
0 + g = 0 + 2
g = 0 + 2

Combine like terms: 0 + 2 = 2
g = 2

Simplifying
g = 2
Subproblem 2
Set the factor '(2 + -1g)' equal to zero and attempt to solve:

Simplifying
2 + -1g = 0

Solving
2 + -1g = 0

Move all terms containing g to the left, all other terms to the right.

Add '-2' to each side of the equation.
2 + -2 + -1g = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -1g = 0 + -2
-1g = 0 + -2

Combine like terms: 0 + -2 = -2
-1g = -2

Divide each side by '-1'.
g = 2

Simplifying
g = 2
Solution
g = {2, 2}