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Problemi Simili mit-Tiftix tal-Web

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