Sederhanakan bentuk2 aljabar berikut x/x+y + y/x-y

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

solved 😉