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3(2√2+1)la puterea2+2(√2-3)la puterea2-(8-√7)(8+√7)=

UrGeNt PLs, dau coroana.


Răspuns :

Răspuns:

3(2√2+1)²+2(√2-3)²-(8-√7)(8+√7)=

3(8+4√2+1)+2(2-6√2+9)-(64-7)=

24+12√2+3+4-12√2+18-57=

24+3+4+18-57=

-8