Rozłóż na czynniki [latex] x^{2} -2xy+y ^{2} - x^{2} y^{2} [/latex]
Rozłóż na czynniki
[latex] x^{2} -2xy+y ^{2} - x^{2} y^{2} [/latex]
(x-y)²-x²y²=(x-y-xy)(x-y+xy)
[latex](x-y)^{2}-(xy)^{2}=(x-y-xy)(x-y+xy)[/latex]