25=4z^2

Solution for 25=4z^2 equation:

Simplifying
25 = 4z2

Solving
25 = 4z2

Solving for variable 'z'.

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

Add '-4z2' to each side of the equation.
25 + -4z2 = 4z2 + -4z2

Combine like terms: 4z2 + -4z2 = 0
25 + -4z2 = 0

Add '-25' to each side of the equation.
25 + -25 + -4z2 = 0 + -25

Combine like terms: 25 + -25 = 0
0 + -4z2 = 0 + -25
-4z2 = 0 + -25

Combine like terms: 0 + -25 = -25
-4z2 = -25

Divide each side by '-4'.
z2 = 6.25

Simplifying
z2 = 6.25

Take the square root of each side:
z = {-2.5, 2.5}