Question

(2√3-3√2+√6)(√6-√2-2√3); ​

Answer 1

Răspuns:

2(2√6-4√3-3)

Explicație pas cu pas:

(2√3-3√2+√6)(√6-√2-2√3) = 2√3·√6 - 2√3·√2 - 2√3·2√3-

-3√2·√6+3√2·2√3+√6·√6-√6·√2-√6·2√3 =

= 2·3·√2-2√6-4·3-3·2·√3+6√6+6-2·√3-2·3√2 =

= 6√2-2√6-12-6√3+6√6+6-2√3-6√2 =

= 4√6-8√3-6 = 2(2√6-4√3-3)