Answer to Question #7105 in Algebra for imanee

Question

1/2(6a+4)+1/2(6a-4)

Answer 1

1/{2(6a+4)}+1/{2(6a-4)}=1/2{(6a-4+6a+4)/((6a+4)(6a-4))}=1/2*12a/(36a²-16)=6a/4/(9a²-4)=3a/{2(9a²-4)}