Question

(4a+9)^2......expand the following

Answer 1

Answer:

by using (a+b)^2=a^2+b^2+2ab formula we can get answer

(4a)^2+(9)^2+2×4a×9

16a^2 + 81+72a

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

I have explained the answer very well so if you think that the answer is worthy to be marked brainliest so go ahead