2z^2-98=0

Solution for 2z^2-98=0 equation:

Simplifying
2z2 + -98 = 0

Reorder the terms:
-98 + 2z2 = 0

Solving
-98 + 2z2 = 0

Solving for variable 'z'.

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

Add '98' to each side of the equation.
-98 + 98 + 2z2 = 0 + 98

Combine like terms: -98 + 98 = 0
0 + 2z2 = 0 + 98
2z2 = 0 + 98

Combine like terms: 0 + 98 = 98
2z2 = 98

Divide each side by '2'.
z2 = 49

Simplifying
z2 = 49

Take the square root of each side:
z = {-7, 7}