-(19-2g^2)-57+4g^2=0

Solution for -(19-2g^2)-57+4g^2=0 equation:

Simplifying
-1(19 + -2g2) + -57 + 4g2 = 0
(19 * -1 + -2g2 * -1) + -57 + 4g2 = 0
(-19 + 2g2) + -57 + 4g2 = 0

Reorder the terms:
-19 + -57 + 2g2 + 4g2 = 0

Combine like terms: -19 + -57 = -76
-76 + 2g2 + 4g2 = 0

Combine like terms: 2g2 + 4g2 = 6g2
-76 + 6g2 = 0

Solving
-76 + 6g2 = 0

Solving for variable 'g'.

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

Add '76' to each side of the equation.
-76 + 76 + 6g2 = 0 + 76

Combine like terms: -76 + 76 = 0
0 + 6g2 = 0 + 76
6g2 = 0 + 76

Combine like terms: 0 + 76 = 76
6g2 = 76

Divide each side by '6'.
g2 = 12.66666667

Simplifying
g2 = 12.66666667

Take the square root of each side:
g = {-3.559026084, 3.559026084}