identities evaluate 98*107
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(100+2)(100+7)=X2+X(A+B)+AB
=(100)2+100(2+7)+(2)(7)
=10000+900+14
=10900+14
=10914
=(100)2+100(2+7)+(2)(7)
=10000+900+14
=10900+14
=10914
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