-6y^2+216=0

Solution for -6y^2+216=0 equation:

Simplifying
-6y2 + 216 = 0

Reorder the terms:
216 + -6y2 = 0

Solving
216 + -6y2 = 0

Solving for variable 'y'.

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

Add '-216' to each side of the equation.
216 + -216 + -6y2 = 0 + -216

Combine like terms: 216 + -216 = 0
0 + -6y2 = 0 + -216
-6y2 = 0 + -216

Combine like terms: 0 + -216 = -216
-6y2 = -216

Divide each side by '-6'.
y2 = 36

Simplifying
y2 = 36

Take the square root of each side:
y = {-6, 6}