Perform each operation. Then completely simplify each answer.
! " #$! % #&
1.
! ' (! % #!(&
*! % #$+!#$, &
2. ÷
*! % ($, $! % (&&!#&,
* $
3. −
.!(/ .!#/
(2#3)56 ((2(3)56
4. (2(3)56 #(2#3)56
(! % 9)56
5.
! % 9 56
, ($ .
;% ;?
6. : = ∙: =
< <56
! % #.! ! ' (!
7. ∙
! % #$!(. ! % (!($
!#$ &(!
8. +
$! !%
!(& ! % (!(/
9. −
!#& ! % #*!#.
%
!(BC6
10. %
&(BC6