49=9x*x

Solution for 49=9x*x equation:

Simplifying
49 = 9x * x

Multiply x * x
49 = 9x2

Solving
49 = 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.
49 + -9x2 = 9x2 + -9x2

Combine like terms: 9x2 + -9x2 = 0
49 + -9x2 = 0

Add '-49' to each side of the equation.
49 + -49 + -9x2 = 0 + -49

Combine like terms: 49 + -49 = 0
0 + -9x2 = 0 + -49
-9x2 = 0 + -49

Combine like terms: 0 + -49 = -49
-9x2 = -49

Divide each side by '-9'.
x2 = 5.444444444

Simplifying
x2 = 5.444444444

Take the square root of each side:
x = {-2.333333333, 2.333333333}