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Problemi Simili mit-Tiftix tal-Web

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x^{2}+4xy+4y^{2}-\left(x+y\right)\left(3x-y\right)-5y^{2}
Uża teorema binomjali \left(a+b\right)^{2}=a^{2}+2ab+b^{2} biex tespandi \left(x+2y\right)^{2}.
x^{2}+4xy+4y^{2}-\left(3x^{2}+2xy-y^{2}\right)-5y^{2}
Uża l-propjetà distributtiva biex timmultiplika x+y b'3x-y u kkombina termini simili.
x^{2}+4xy+4y^{2}-3x^{2}-2xy+y^{2}-5y^{2}
Biex issib l-oppost ta' 3x^{2}+2xy-y^{2}, sib l-oppost ta' kull terminu.
-2x^{2}+4xy+4y^{2}-2xy+y^{2}-5y^{2}
Ikkombina x^{2} u -3x^{2} biex tikseb -2x^{2}.
-2x^{2}+2xy+4y^{2}+y^{2}-5y^{2}
Ikkombina 4xy u -2xy biex tikseb 2xy.
-2x^{2}+2xy+5y^{2}-5y^{2}
Ikkombina 4y^{2} u y^{2} biex tikseb 5y^{2}.
-2x^{2}+2xy
Ikkombina 5y^{2} u -5y^{2} biex tikseb 0.
x^{2}+4xy+4y^{2}-\left(x+y\right)\left(3x-y\right)-5y^{2}
Uża teorema binomjali \left(a+b\right)^{2}=a^{2}+2ab+b^{2} biex tespandi \left(x+2y\right)^{2}.
x^{2}+4xy+4y^{2}-\left(3x^{2}+2xy-y^{2}\right)-5y^{2}
Uża l-propjetà distributtiva biex timmultiplika x+y b'3x-y u kkombina termini simili.
x^{2}+4xy+4y^{2}-3x^{2}-2xy+y^{2}-5y^{2}
Biex issib l-oppost ta' 3x^{2}+2xy-y^{2}, sib l-oppost ta' kull terminu.
-2x^{2}+4xy+4y^{2}-2xy+y^{2}-5y^{2}
Ikkombina x^{2} u -3x^{2} biex tikseb -2x^{2}.
-2x^{2}+2xy+4y^{2}+y^{2}-5y^{2}
Ikkombina 4xy u -2xy biex tikseb 2xy.
-2x^{2}+2xy+5y^{2}-5y^{2}
Ikkombina 4y^{2} u y^{2} biex tikseb 5y^{2}.
-2x^{2}+2xy
Ikkombina 5y^{2} u -5y^{2} biex tikseb 0.