y^2+4-12=

Solution for y^2+4-12= equation:

Simplifying
y2 + 4 + -12 = 0

Reorder the terms:
4 + -12 + y2 = 0

Combine like terms: 4 + -12 = -8
-8 + y2 = 0

Solving
-8 + y2 = 0

Solving for variable 'y'.

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

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

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

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

Simplifying
y2 = 8

Take the square root of each side:
y = {-2.828427125, 2.828427125}