-4w^2+64=0

Solution for -4w^2+64=0 equation:

Simplifying
-4w2 + 64 = 0

Reorder the terms:
64 + -4w2 = 0

Solving
64 + -4w2 = 0

Solving for variable 'w'.

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

Add '-64' to each side of the equation.
64 + -64 + -4w2 = 0 + -64

Combine like terms: 64 + -64 = 0
0 + -4w2 = 0 + -64
-4w2 = 0 + -64

Combine like terms: 0 + -64 = -64
-4w2 = -64

Divide each side by '-4'.
w2 = 16

Simplifying
w2 = 16

Take the square root of each side:
w = {-4, 4}