9x^2-1=24

Solution for 9x^2-1=24 equation:

Simplifying
9x2 + -1 = 24

Reorder the terms:
-1 + 9x2 = 24

Solving
-1 + 9x2 = 24

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + 9x2 = 24 + 1

Combine like terms: -1 + 1 = 0
0 + 9x2 = 24 + 1
9x2 = 24 + 1

Combine like terms: 24 + 1 = 25
9x2 = 25

Divide each side by '9'.
x2 = 2.777777778

Simplifying
x2 = 2.777777778

Take the square root of each side:
x = {-1.666666667, 1.666666667}