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Problemi Simili mit-Tiftix tal-Web

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16-\left(4a^{2}+12ab+9b^{2}\right)
Uża teorema binomjali \left(p+q\right)^{2}=p^{2}+2pq+q^{2} biex tespandi \left(2a+3b\right)^{2}.
16-4a^{2}-12ab-9b^{2}
Biex issib l-oppost ta' 4a^{2}+12ab+9b^{2}, sib l-oppost ta' kull terminu.
16-\left(4a^{2}+12ab+9b^{2}\right)
Uża teorema binomjali \left(p+q\right)^{2}=p^{2}+2pq+q^{2} biex tespandi \left(2a+3b\right)^{2}.
16-4a^{2}-12ab-9b^{2}
Biex issib l-oppost ta' 4a^{2}+12ab+9b^{2}, sib l-oppost ta' kull terminu.