20x^2-45y^2=0

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


Simplifying
20x2 + -45y2 = 0

Solving
20x2 + -45y2 = 0

Solving for variable 'x'.

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

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

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

Divide each side by '20'.
x2 = 2.25y2

Simplifying
x2 = 2.25y2

Take the square root of each side:
x = {-1.5y, 1.5y}

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