Question

( √12+√3)(√3-√12) помогите

Answer 1

=-(√12+√3)(√12-√3)=-((√12)^2-(√3)^2)=-(12-3)=-9

Answer 2

( √12+√3)(√3-√12)= ( √3+√12 )(√3-√12)=3-12=-9