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Problemi Simili mit-Tiftix tal-Web

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-\left(m^{2}-2mn+n^{2}\right)+1
Uża teorema binomjali \left(a-b\right)^{2}=a^{2}-2ab+b^{2} biex tespandi \left(m-n\right)^{2}.
-m^{2}+2mn-n^{2}+1
Biex issib l-oppost ta' m^{2}-2mn+n^{2}, sib l-oppost ta' kull terminu.
-\left(m^{2}-2mn+n^{2}\right)+1
Uża teorema binomjali \left(a-b\right)^{2}=a^{2}-2ab+b^{2} biex tespandi \left(m-n\right)^{2}.
-m^{2}+2mn-n^{2}+1
Biex issib l-oppost ta' m^{2}-2mn+n^{2}, sib l-oppost ta' kull terminu.