Using (X+a)(X+b)=x2+(a+b)X+ab ( 71)2(98)2
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Step-by-step explanation:
(2+71)(2+98) = 2^2 + (71+98) 2 + 71×98
= 4 + 168×2 + 6958
= 4 + 336 + 6958
= 340 + 6958
=. 7298
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