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Problemi Simili mit-Tiftix tal-Web

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49x^{2}-126x+81
Uża teorema binomjali \left(a+b\right)^{2}=a^{2}+2ab+b^{2} biex tespandi \left(-7x+9\right)^{2}.
49x^{2}-126x+81
Uża teorema binomjali \left(a+b\right)^{2}=a^{2}+2ab+b^{2} biex tespandi \left(-7x+9\right)^{2}.