9x^2-1=10

Solution for 9x^2-1=10 equation:

Simplifying
9x2 + -1 = 10

Reorder the terms:
-1 + 9x2 = 10

Solving
-1 + 9x2 = 10

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 = 10 + 1

Combine like terms: -1 + 1 = 0
0 + 9x2 = 10 + 1
9x2 = 10 + 1

Combine like terms: 10 + 1 = 11
9x2 = 11

Divide each side by '9'.
x2 = 1.222222222

Simplifying
x2 = 1.222222222

Take the square root of each side:
x = {-1.105541597, 1.105541597}