Question

simplify the following​

Answer 1

Answer:

224xy

Step-by-step explanation:

hope This Is The correct answer

Answer 2

Answer:

set the answer below!!

Step-by-step explanation:

(7m + 8n)^2 - (7m - 8n)^2

= (7m)^2 + 2×7m×8n + (8n)^2 -

(7m)^2 + 2×7m×-8n + (-8n)^2

= 49m^2 + 112mn + 64n^2 -

(49m^2 - 112mn + 64n^2)

= 49m^2 + 112mn + 64n^2 - 49m^2 + 112mn - 64n^2

= 112mn + 112mn

= 224mn

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