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Problemi Simili mit-Tiftix tal-Web

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\left(-4\sqrt{7}-3\right)^{2}-47
Żid -11 u 8 biex tikseb -3.
16\left(\sqrt{7}\right)^{2}+24\sqrt{7}+9-47
Uża teorema binomjali \left(a-b\right)^{2}=a^{2}-2ab+b^{2} biex tespandi \left(-4\sqrt{7}-3\right)^{2}.
16\times 7+24\sqrt{7}+9-47
Il-kwadrat ta' \sqrt{7} huwa 7.
112+24\sqrt{7}+9-47
Immultiplika 16 u 7 biex tikseb 112.
121+24\sqrt{7}-47
Żid 112 u 9 biex tikseb 121.
74+24\sqrt{7}
Naqqas 47 minn 121 biex tikseb 74.
\left(-4\sqrt{7}-3\right)^{2}-47
Żid -11 u 8 biex tikseb -3.
16\left(\sqrt{7}\right)^{2}+24\sqrt{7}+9-47
Uża teorema binomjali \left(a-b\right)^{2}=a^{2}-2ab+b^{2} biex tespandi \left(-4\sqrt{7}-3\right)^{2}.
16\times 7+24\sqrt{7}+9-47
Il-kwadrat ta' \sqrt{7} huwa 7.
112+24\sqrt{7}+9-47
Immultiplika 16 u 7 biex tikseb 112.
121+24\sqrt{7}-47
Żid 112 u 9 biex tikseb 121.
74+24\sqrt{7}
Naqqas 47 minn 121 biex tikseb 74.