12y^2-39+27=0

Solution for 12y^2-39+27=0 equation:

Simplifying
12y2 + -39 + 27 = 0

Reorder the terms:
-39 + 27 + 12y2 = 0

Combine like terms: -39 + 27 = -12
-12 + 12y2 = 0

Solving
-12 + 12y2 = 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 + 12y2 = 0 + 12

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

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

Divide each side by '12'.
y2 = 1

Simplifying
y2 = 1

Take the square root of each side:
y = {-1, 1}