8 x 9 = 72
5
8 times 9= 72
The fact that 8 x 9 = 72
Yes
You could divide the answer into the larger number of the problem. The answer should be the remaining number (multiplicand).
10
The question is not a solvable equation. It could be any number.
yes because
It is not difficult to incorporate multiplication into other subjects. When playing music for example you could repeat the same phrase a certain number of times.
X could be a sign for multiplication, or it could also be a variable. A variable is a letter representing a number.
2
Nothing, particularly. a could be 0 and multiplication is commutative.