Question

x minus 4 y whole square minus 625

Answer 1

=>(x-4y)^2 -625=0

=>${(x - 4y)}^{2} = 625$

=>$taking \: square \: root$

=>$(x - 4y) = 25$

=>$x - 4y = 25$

=>$for \: x$

=>$x = 25 + 4y$

=>$for \: y$

=>$4y = x - 25$

=>$y = \frac{x - 25}{4}$