9x*x-100y*y=

Solution for 9x*x-100y*y= equation:

Simplifying
9x * x + -100y * y = 0

Multiply x * x
9x2 + -100y * y = 0

Multiply y * y
9x2 + -100y2 = 0

Solving
9x2 + -100y2 = 0

Solving for variable 'x'.

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

Add '100y2' to each side of the equation.
9x2 + -100y2 + 100y2 = 0 + 100y2

Combine like terms: -100y2 + 100y2 = 0
9x2 + 0 = 0 + 100y2
9x2 = 0 + 100y2
Remove the zero:
9x2 = 100y2

Divide each side by '9'.
x2 = 11.11111111y2

Simplifying
x2 = 11.11111111y2

Take the square root of each side:
x = {-3.333333333y, 3.333333333y}