8y^2-54+91=0

Solution for 8y^2-54+91=0 equation:

Simplifying
8y2 + -54 + 91 = 0

Reorder the terms:
-54 + 91 + 8y2 = 0

Combine like terms: -54 + 91 = 37
37 + 8y2 = 0

Solving
37 + 8y2 = 0

Solving for variable 'y'.

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

Add '-37' to each side of the equation.
37 + -37 + 8y2 = 0 + -37

Combine like terms: 37 + -37 = 0
0 + 8y2 = 0 + -37
8y2 = 0 + -37

Combine like terms: 0 + -37 = -37
8y2 = -37

Divide each side by '8'.
y2 = -4.625

Simplifying
y2 = -4.625

Reorder the terms:
4.625 + y2 = -4.625 + 4.625

Combine like terms: -4.625 + 4.625 = 0.000
4.625 + y2 = 0.000

The solution to this equation could not be determined.