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Problemi Simili mit-Tiftix tal-Web

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x^{2}+4xy+4y^{2}-9x^{2}
Uża teorema binomjali \left(a+b\right)^{2}=a^{2}+2ab+b^{2} biex tespandi \left(x+2y\right)^{2}.
-8x^{2}+4xy+4y^{2}
Ikkombina x^{2} u -9x^{2} biex tikseb -8x^{2}.
x^{2}+4xy+4y^{2}-9x^{2}
Uża teorema binomjali \left(a+b\right)^{2}=a^{2}+2ab+b^{2} biex tespandi \left(x+2y\right)^{2}.
-8x^{2}+4xy+4y^{2}
Ikkombina x^{2} u -9x^{2} biex tikseb -8x^{2}.