9x^2-1=548

Solution for 9x^2-1=548 equation:

Simplifying
9x2 + -1 = 548

Reorder the terms:
-1 + 9x2 = 548

Solving
-1 + 9x2 = 548

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 = 548 + 1

Combine like terms: -1 + 1 = 0
0 + 9x2 = 548 + 1
9x2 = 548 + 1

Combine like terms: 548 + 1 = 549
9x2 = 549

Divide each side by '9'.
x2 = 61

Simplifying
x2 = 61

Take the square root of each side:
x = {-7.810249676, 7.810249676}