Menyederhanakan bentuk aljabar x/x+y ditambah y/x-y

x/x+y + y/x-y
samakan penyebutnya=Kpk
x(x-y)+y(x+y) /(x+y)(x-y)
x^2-xy+xy+y^2 /x^2-y^2
=x^2+y^2 / x^2-y^2

(x/x+y) + (y/x-y) = x(x-y)+y(x+y)/(x+y)(x-y)
=x²-xy+xy+y²/(x+y)(x-y)
=x²+y²/(x+y)(x-y)

maaf klo salah.....