It is the associative property, according to which, you do not need to specify which of the two multiplications has to be carried out first.
Chat with our AI personalities
12 x 18 = (12 x 10) + (12 x 8)
18 x 24 = (18 x 20) + (18 x 4)
12
3(4 + 6) = 3 x 4 and 3 x 6 = 12 + 18 = 30
432 x 12 inch x 12 inch bricks for an area 18 feet x 24 feet