2z^2-27+91=0

Solution for 2z^2-27+91=0 equation:

Simplifying
2z2 + -27 + 91 = 0

Reorder the terms:
-27 + 91 + 2z2 = 0

Combine like terms: -27 + 91 = 64
64 + 2z2 = 0

Solving
64 + 2z2 = 0

Solving for variable 'z'.

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

Add '-64' to each side of the equation.
64 + -64 + 2z2 = 0 + -64

Combine like terms: 64 + -64 = 0
0 + 2z2 = 0 + -64
2z2 = 0 + -64

Combine like terms: 0 + -64 = -64
2z2 = -64

Divide each side by '2'.
z2 = -32

Simplifying
z2 = -32

Reorder the terms:
32 + z2 = -32 + 32

Combine like terms: -32 + 32 = 0
32 + z2 = 0

The solution to this equation could not be determined.