(2-5g)(2+5g)=0

Solution for (2-5g)(2+5g)=0 equation:

Simplifying
(2 + -5g)(2 + 5g) = 0

Multiply (2 + -5g) * (2 + 5g)
(2(2 + 5g) + -5g * (2 + 5g)) = 0
((2 * 2 + 5g * 2) + -5g * (2 + 5g)) = 0
((4 + 10g) + -5g * (2 + 5g)) = 0
(4 + 10g + (2 * -5g + 5g * -5g)) = 0
(4 + 10g + (-10g + -25g2)) = 0

Combine like terms: 10g + -10g = 0
(4 + 0 + -25g2) = 0
(4 + -25g2) = 0

Solving
4 + -25g2 = 0

Solving for variable 'g'.

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

Add '-4' to each side of the equation.
4 + -4 + -25g2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -25g2 = 0 + -4
-25g2 = 0 + -4

Combine like terms: 0 + -4 = -4
-25g2 = -4

Divide each side by '-25'.
g2 = 0.16

Simplifying
g2 = 0.16

Take the square root of each side:
g = {-0.4, 0.4}