Question

(931+138)² + (931-138)?
(931x931+138x138)
7​

Answer 1

Answer:

((931×931+2×931×138+138×138)+(931×931--2×931×138+138×138))/(931×931+138×138)

=2(931×931+138×138)/(931×931+138×138)

=2

Step-by-step explanation:

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Answer 2

sorry I have no idea on this topic