The letter x is used to represent a value that hasn't been figured out yet. You must work around the x to find out what it represents. when that happens you solve the problem entirely.
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Simple and Traditional multiplication. Then there is Long Multiplication. used for larger numbers. e.g. Simple multiplication 3 x 2 = 6 Long Multiplication. 33 x 22 = 33 x 22 660 66 726 ====
The sign of multiplication is x or *
The x is being used to indicate multiplication; the phrase would be read as thirty nine times seventy five. If you carry out the multiplication, the answer is 2,925.
0 * x = 0 for all numbers x.
The mathemtical symbol for multiplication is 'X'. e.g. 3 X 4 = 12