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Problemi Simili mit-Tiftix tal-Web

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x^{2}+2x-xy-2x-4+2y+yx+2y-y^{2}
Applika l-propjetà distributtiva billi timmultiplika kull terminu ta' x-2+y b'kull terminu ta' x+2-y.
x^{2}-xy-4+2y+yx+2y-y^{2}
Ikkombina 2x u -2x biex tikseb 0.
x^{2}-4+2y+2y-y^{2}
Ikkombina -xy u yx biex tikseb 0.
x^{2}-4+4y-y^{2}
Ikkombina 2y u 2y biex tikseb 4y.
x^{2}+2x-xy-2x-4+2y+yx+2y-y^{2}
Applika l-propjetà distributtiva billi timmultiplika kull terminu ta' x-2+y b'kull terminu ta' x+2-y.
x^{2}-xy-4+2y+yx+2y-y^{2}
Ikkombina 2x u -2x biex tikseb 0.
x^{2}-4+2y+2y-y^{2}
Ikkombina -xy u yx biex tikseb 0.
x^{2}-4+4y-y^{2}
Ikkombina 2y u 2y biex tikseb 4y.