-y^2+12=0

Solution for -y^2+12=0 equation:

Simplifying
-1y2 + 12 = 0

Reorder the terms:
12 + -1y2 = 0

Solving
12 + -1y2 = 0

Solving for variable 'y'.

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

Add '-12' to each side of the equation.
12 + -12 + -1y2 = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -1y2 = 0 + -12
-1y2 = 0 + -12

Combine like terms: 0 + -12 = -12
-1y2 = -12

Divide each side by '-1'.
y2 = 12

Simplifying
y2 = 12

Take the square root of each side:
y = {-3.464101615, 3.464101615}