HELP ASAP

Which equation is correct?
792 x 5 = 700 x 5 + 90 x 5 + 2

792 x 5 = 700 + 90 x 5 + 2 x 5

792 x 5 = 700 x 5 + 90 x 5 + 2 x 5

792 x 5 = 7,000 x 5 + 900 x 5 + 20 x 5