Question

fing the square of 3m +7n​

Answer 1

Answer:

9m^6 + 49n^8 - 42 m^3 n ^4

Step-by-step explanation:

(3m^3 - 7n^4)^2 = (3m^3)^2 + (7n^4)^2 - 2(3m^3)(7n^4)

Answer 2

Answer:

answer is down

3m+7n=3(−2)+7(1)=−6+7=1