Question

x+b/a-b =x-b/a+b reply fast
so urgent

Answer 1

X+b/a-b = x-b / a+b

=>(x+b)(a+b) = (x-b)(a-b)

=>ax+bx+ab+b²= ax -bx -ab+b²

=>2bx+ 2ab =0

=>2b(x+a) =0