25x^2-81y^2=

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Solution for 25x^2-81y^2= equation: 


Simplifying
25x2 + -81y2 = 0

Solving
25x2 + -81y2 = 0

Solving for variable 'x'.

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

Add '81y2' to each side of the equation.
25x2 + -81y2 + 81y2 = 0 + 81y2

Combine like terms: -81y2 + 81y2 = 0
25x2 + 0 = 0 + 81y2
25x2 = 0 + 81y2
Remove the zero:
25x2 = 81y2

Divide each side by '25'.
x2 = 3.24y2

Simplifying
x2 = 3.24y2

Take the square root of each side:
x = {-1.8y, 1.8y}

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