0=9y^2-64

Solution for 0=9y^2-64 equation:

Simplifying
0 = 9y2 + -64

Reorder the terms:
0 = -64 + 9y2

Solving
0 = -64 + 9y2

Solving for variable 'y'.

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

Add '-9y2' to each side of the equation.
0 + -9y2 = -64 + 9y2 + -9y2
Remove the zero:
-9y2 = -64 + 9y2 + -9y2

Combine like terms: 9y2 + -9y2 = 0
-9y2 = -64 + 0
-9y2 = -64

Divide each side by '-9'.
y2 = 7.111111111

Simplifying
y2 = 7.111111111

Take the square root of each side:
y = {-2.666666667, 2.666666667}