Question: I need help considering the following patterns for these? Consider the following pattern: 9X1-1=8 9 X 21 - 1 = 188 9 X 321 -
I need help considering the following patterns for these?

Consider the following pattern: 9X1-1=8 9 X 21 - 1 = 188 9 X 321 - 1 = 2,888 9 X 4,321 - 1 = 38,888
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