What is 25x9?

225.

25 times 9

you multiply 5 (in 25) and 9. and you should get 45.

then you bring the 4 over to the 2 in 25

after that you multiply 9x2 ( 9 times 2 ) and you should get 18

then you add the 4 from 45 in the 1st step.

then you should get 225.