Question

Find the separate equation of the lines represented by the equation $25x^2-9y^2=0$.

Answer 1

Now,

$25x^2-9y^2=0$

or, $(5x-3y)(5x+3y)=0$

or, $5x-3y=0,5x+3y=0$.

So the separate equation of lines are $5x-3y=0$ and $5x+3y=0$.