PLZZZZZZZZZZZZZZZZZZZZZZZZZ HELP ME THIS DUE TODAY AND I GOING FAIL THIS ANY REALLYDON'T WANT FAIL SO PLZ HELP!!!AND EXAPLINE
3. find the G.C.F of 28x and 21y

4. rewrite each sum as a product of the gcf and new sum 28x+21y

5. rewrite each sum as a product of the gcf and new sum 3xy+ 15y