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OpenStudy (anonymous):
Anyone please help me Expanding each integer in the expression 21 × 12, the result is [(2 × 101) + (1 × 100)] × [(1 × 101) + (2 × 100)]. Replace the 10s with x’s and then multiply this expression using FOIL. Compare it with the normal integer multiplication method used above: How are they similar? Show your work.
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OpenStudy (anonymous):
@dan815
OpenStudy (anonymous):
Can you help me, I just need some basic knowledge of this
OpenStudy (anonymous):
ganeshie8
OpenStudy (dan815):
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