5z^2-845=0

Solution for 5z^2-845=0 equation:

Simplifying
5z2 + -845 = 0

Reorder the terms:
-845 + 5z2 = 0

Solving
-845 + 5z2 = 0

Solving for variable 'z'.

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

Add '845' to each side of the equation.
-845 + 845 + 5z2 = 0 + 845

Combine like terms: -845 + 845 = 0
0 + 5z2 = 0 + 845
5z2 = 0 + 845

Combine like terms: 0 + 845 = 845
5z2 = 845

Divide each side by '5'.
z2 = 169

Simplifying
z2 = 169

Take the square root of each side:
z = {-13, 13}