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Problemi Simili mit-Tiftix tal-Web

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x^{2}+2xy+y^{2}+4\left(x+y+1\right)
Uża teorema binomjali \left(a+b\right)^{2}=a^{2}+2ab+b^{2} biex tespandi \left(x+y\right)^{2}.
x^{2}+2xy+y^{2}+4x+4y+4
Uża l-propjetà distributtiva biex timmultiplika 4 b'x+y+1.
x^{2}+2xy+y^{2}+4\left(x+y+1\right)
Uża teorema binomjali \left(a+b\right)^{2}=a^{2}+2ab+b^{2} biex tespandi \left(x+y\right)^{2}.
x^{2}+2xy+y^{2}+4x+4y+4
Uża l-propjetà distributtiva biex timmultiplika 4 b'x+y+1.