9a^2-100=0

Solution for 9a^2-100=0 equation:

Simplifying
9a2 + -100 = 0

Reorder the terms:
-100 + 9a2 = 0

Solving
-100 + 9a2 = 0

Solving for variable 'a'.

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

Add '100' to each side of the equation.
-100 + 100 + 9a2 = 0 + 100

Combine like terms: -100 + 100 = 0
0 + 9a2 = 0 + 100
9a2 = 0 + 100

Combine like terms: 0 + 100 = 100
9a2 = 100

Divide each side by '9'.
a2 = 11.11111111

Simplifying
a2 = 11.11111111

Take the square root of each side:
a = {-3.333333333, 3.333333333}