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Problemi Simili mit-Tiftix tal-Web

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\left(x^{2}+2x-1\right)^{2}
Immultiplika x^{2}+2x-1 u x^{2}+2x-1 biex tikseb \left(x^{2}+2x-1\right)^{2}.
x^{4}+4x^{3}+2x^{2}-4x+1
Ikkwadra x^{2}+2x-1.
\left(x^{2}+2x-1\right)^{2}
Immultiplika x^{2}+2x-1 u x^{2}+2x-1 biex tikseb \left(x^{2}+2x-1\right)^{2}.
x^{4}+4x^{3}+2x^{2}-4x+1
Ikkwadra x^{2}+2x-1.