11(x^2-9)=0

Solution for 11(x^2-9)=0 equation:

Simplifying
11(x2 + -9) = 0

Reorder the terms:
11(-9 + x2) = 0
(-9 * 11 + x2 * 11) = 0
(-99 + 11x2) = 0

Solving
-99 + 11x2 = 0

Solving for variable 'x'.

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

Add '99' to each side of the equation.
-99 + 99 + 11x2 = 0 + 99

Combine like terms: -99 + 99 = 0
0 + 11x2 = 0 + 99
11x2 = 0 + 99

Combine like terms: 0 + 99 = 99
11x2 = 99

Divide each side by '11'.
x2 = 9

Simplifying
x2 = 9

Take the square root of each side:
x = {-3, 3}