SOLUTION: Expanding each integer in the expression 21*12, the result is [(2*10^1)+(1*10^0)] * [(1*10^1) + (2*10^0)]. Replace the 10s with x's and then multiply this expression using Foil.

SOLUTION: Expanding each integer in the expression 2112, the result is [(210^1)+(110^0)] [(110^1) + (210^0)]. Replace the 10s with x's and then multiply this expression using Foil.

Question 986025: Expanding each integer in the expression 21*12, the result is [(2*10^1)+(1*10^0)] * [(1*10^1) + (2*10^0)]. Replace the 10s with x's and then multiply this expression using Foil.

Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
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[(2*10^1)+(1*10^0)] * [(1*10^1) + (2*10^0)]
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