Question

4radicali18 -4radicali12=? Va rog cat mai repede!!!Dau coroana

Answer 1

4 rad 18 - 4 rad 12 =

= 4 ( rad 18 - rad 12 ) =

= 4 ( 3 rad 2 - 2 rad 3 )

Answer 2

$\it 4\sqrt{18} -4\sqrt{12} = 4(\sqrt{9\cdot2} - \sqrt{4\cdot3}) = 4(3\sqrt2 - 2\sqrt3)$