441=9x^2

Solution for 441=9x^2 equation:

Simplifying
441 = 9x2

Solving
441 = 9x2

Solving for variable 'x'.

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

Add '-9x2' to each side of the equation.
441 + -9x2 = 9x2 + -9x2

Combine like terms: 9x2 + -9x2 = 0
441 + -9x2 = 0

Add '-441' to each side of the equation.
441 + -441 + -9x2 = 0 + -441

Combine like terms: 441 + -441 = 0
0 + -9x2 = 0 + -441
-9x2 = 0 + -441

Combine like terms: 0 + -441 = -441
-9x2 = -441

Divide each side by '-9'.
x2 = 49

Simplifying
x2 = 49

Take the square root of each side:
x = {-7, 7}