-4y^2+1=

Solution for -4y^2+1= equation:

Simplifying
-4y2 + 1 = 0

Reorder the terms:
1 + -4y2 = 0

Solving
1 + -4y2 = 0

Solving for variable 'y'.

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

Add '-1' to each side of the equation.
1 + -1 + -4y2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -4y2 = 0 + -1
-4y2 = 0 + -1

Combine like terms: 0 + -1 = -1
-4y2 = -1

Divide each side by '-4'.
y2 = 0.25

Simplifying
y2 = 0.25

Take the square root of each side:
y = {-0.5, 0.5}