-64a^2+9=

Solution for -64a^2+9= equation:

Simplifying
-64a2 + 9 = 0

Reorder the terms:
9 + -64a2 = 0

Solving
9 + -64a2 = 0

Solving for variable 'a'.

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

Add '-9' to each side of the equation.
9 + -9 + -64a2 = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -64a2 = 0 + -9
-64a2 = 0 + -9

Combine like terms: 0 + -9 = -9
-64a2 = -9

Divide each side by '-64'.
a2 = 0.140625

Simplifying
a2 = 0.140625

Take the square root of each side:
a = {-0.375, 0.375}