Question

3(3√2+2√3)-(4√8+3√12) ​

Answer 1

Răspuns:

$= 9 \sqrt{2} + 6 \sqrt{3} - (8 \sqrt{2} + 6 \sqrt{3} ) = \\ =9 \sqrt{2} + 6 \sqrt{3} - 8 \sqrt{2} - 6 \sqrt{3 } = \sqrt{2}$

Answer 2

Inmultim paranteza cu 3
9/2+6/3-4/8-3/12
9/2+6/3-4/8-3*2/3
9/2+6/3-4/8-6/3
9/2+6/3-4*2/2-6/3
9/2+6/3-8/2-6/3=/2
/=radical