20a^2-45b^2=0

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Solution for 20a^2-45b^2=0 equation: 


Simplifying
20a2 + -45b2 = 0

Solving
20a2 + -45b2 = 0

Solving for variable 'a'.

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

Add '45b2' to each side of the equation.
20a2 + -45b2 + 45b2 = 0 + 45b2

Combine like terms: -45b2 + 45b2 = 0
20a2 + 0 = 0 + 45b2
20a2 = 0 + 45b2
Remove the zero:
20a2 = 45b2

Divide each side by '20'.
a2 = 2.25b2

Simplifying
a2 = 2.25b2

Take the square root of each side:
a = {-1.5b, 1.5b}

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