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Problemi Simili mit-Tiftix tal-Web

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3x^{2}-3xy+2\left(x^{2}-2xy+y^{2}\right)-x+y
Uża teorema binomjali \left(a-b\right)^{2}=a^{2}-2ab+b^{2} biex tespandi \left(x-y\right)^{2}.
3x^{2}-3xy+2x^{2}-4xy+2y^{2}-x+y
Uża l-propjetà distributtiva biex timmultiplika 2 b'x^{2}-2xy+y^{2}.
5x^{2}-3xy-4xy+2y^{2}-x+y
Ikkombina 3x^{2} u 2x^{2} biex tikseb 5x^{2}.
5x^{2}-7xy+2y^{2}-x+y
Ikkombina -3xy u -4xy biex tikseb -7xy.
3x^{2}-3xy+2\left(x^{2}-2xy+y^{2}\right)-x+y
Uża teorema binomjali \left(a-b\right)^{2}=a^{2}-2ab+b^{2} biex tespandi \left(x-y\right)^{2}.
3x^{2}-3xy+2x^{2}-4xy+2y^{2}-x+y
Uża l-propjetà distributtiva biex timmultiplika 2 b'x^{2}-2xy+y^{2}.
5x^{2}-3xy-4xy+2y^{2}-x+y
Ikkombina 3x^{2} u 2x^{2} biex tikseb 5x^{2}.
5x^{2}-7xy+2y^{2}-x+y
Ikkombina -3xy u -4xy biex tikseb -7xy.