Question

58 x 64 is the same as:

(64 x 50) + (64 x )
What number goes in the space?

help please​

Answer 1

58 x 64 = 3,712
64 x 50 = 3,200
3,712-3,200= 512
64 x ? = 512
?=8
3,200+512= 3,712