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Problemi Simili mit-Tiftix tal-Web

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9\left(9r^{8}+12r^{4}s+4s^{2}\right)
Iffattura 'l barra 9.
\left(3r^{4}+2s\right)^{2}
Ikkunsidra li 9r^{8}+12r^{4}s+4s^{2}. Uża l-formula tal-kwadru perfett, a^{2}+2ab+b^{2}=\left(a+b\right)^{2}, fejn a=3r^{4} u b=2s.
9\left(3r^{4}+2s\right)^{2}
Erġa' ikteb l-espressjoni ffatturata kompluta.