Question

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

Answer 1

Answer:

16a^2 + 81+ 72a

Step-by-step explanation:

(a+b)^2 = a^2 + b^2 + 2ab

(4a + 9)^2 = (4a)^2 + 9^2 + 2( 4a)(9)

= 16a^2 + 81 + 72a

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ANSWER HELPED U

Answer 2

Answer:

thanks so much ...........