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)}

Answer in Algebra for imanee #7105

Question #7105

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

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)}

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