Question

Спростити вираз :
√112-√7-√567

Answer 1

√112-√7-√567=4√7-√7-9√7=-6√7.

Answer 2

$sqrt{112}-sqrt{7}-sqrt{567}=sqrt{16*7}-sqrt{7}-sqrt{81*7}=\4sqrt{7}-sqrt{7}-9sqrt{7}=3sqrt{7}-9sqrt{7}=-6sqrt{7}$