|
L.
10
89
B. Find the product of the follow
1. (3m +9)2 2. (5n - 7
Answers
Answered by
0
Answer:
answer:-
Step-by-step explanation:
234235544534654
Answered by
0
Answer:
45nm^2 + 270mn + 405n - 63m^2 - 378m - 567
Step-by-step explanation:
The product of (3m + 9)^2 and (5n - 7)
= 5n(9m^2 + 2.3m.9 + 81) -7(9m^2 + 2.3m.9 + 81)
= 45nm^2 + 270mn + 405n - 63m^2 - 378m - 567
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