5+4=3*3+x*x

Solution for 5+4=3*3+x*x equation:

Simplifying
5 + 4 = 3 * 3 + x * x

Combine like terms: 5 + 4 = 9
9 = 3 * 3 + x * x

Multiply 3 * 3
9 = 9 + x * x

Multiply x * x
9 = 9 + x2

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

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

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

Solving
0 = x2

Solving for variable 'x'.

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

Add '-1x2' to each side of the equation.
0 + -1x2 = x2 + -1x2
Remove the zero:
-1x2 = x2 + -1x2

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

Divide each side by '-1'.
x2 = 0

Simplifying
x2 = 0

Take the square root of each side:
x = {0}