5z^2-55=0

Solution for 5z^2-55=0 equation:

Simplifying
5z2 + -55 = 0

Reorder the terms:
-55 + 5z2 = 0

Solving
-55 + 5z2 = 0

Solving for variable 'z'.

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

Add '55' to each side of the equation.
-55 + 55 + 5z2 = 0 + 55

Combine like terms: -55 + 55 = 0
0 + 5z2 = 0 + 55
5z2 = 0 + 55

Combine like terms: 0 + 55 = 55
5z2 = 55

Divide each side by '5'.
z2 = 11

Simplifying
z2 = 11

Take the square root of each side:
z = {-3.31662479, 3.31662479}