-45x^2+20y^2=0

Solution for -45x^2+20y^2=0 equation:

Simplifying
-45x2 + 20y2 = 0

Solving
-45x2 + 20y2 = 0

Solving for variable 'x'.

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

Add '-20y2' to each side of the equation.
-45x2 + 20y2 + -20y2 = 0 + -20y2

Combine like terms: 20y2 + -20y2 = 0
-45x2 + 0 = 0 + -20y2
-45x2 = 0 + -20y2
Remove the zero:
-45x2 = -20y2

Divide each side by '-45'.
x2 = 0.4444444444y2

Simplifying
x2 = 0.4444444444y2

Take the square root of each side:
x = {-0.666666667y, 0.666666667y}