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Problemi Simili mit-Tiftix tal-Web

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\left(x^{2}-2x+1\right)\times 1.9
Uża teorema binomjali \left(a-b\right)^{2}=a^{2}-2ab+b^{2} biex tespandi \left(x-1\right)^{2}.
1.9x^{2}-3.8x+1.9
Uża l-propjetà distributtiva biex timmultiplika x^{2}-2x+1 b'1.9.
\left(x^{2}-2x+1\right)\times 1.9
Uża teorema binomjali \left(a-b\right)^{2}=a^{2}-2ab+b^{2} biex tespandi \left(x-1\right)^{2}.
1.9x^{2}-3.8x+1.9
Uża l-propjetà distributtiva biex timmultiplika x^{2}-2x+1 b'1.9.