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a fost răspuns

(√3+2)²+4(5-√3)-(2√7+3)(2√7-3)

Răspuns :

Ahmed1985

= (√3 +2) (√3+2)+ 20 −4√3− (2√7+3)(2√7−3) =

=> 3 + 4√3+4 +20−4√3 − (28 −9 )=

=> 3 + 4 + 20 − 19 =

=> 8
Ahmed1985

= (√3 +2) (√3+2)+ 20 −4√3− (2√7+3)(2√7−3) =

=> 3 + 4√3+4 +20−4√3 − (28 −9 )=

=> 3 + 4 + 20 − 19 =

=> 8

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