Question

find the square :

3a +4​

Answer 1

Answer:

We know that

(a -b)2 = a2 + b² - 2ab

( 3a - 4b )2 = 9a² + 16b2 - 2 x 3a x =

4b

= 9a2 + 16b2 - 24ab

Answer 2

Answer:

9a2+16+24a

Step-by-step explanation:

(3a+4)2

this is in form of ( a+b)2=a2+b2+2ab

(3a)2+(4)2+2×3a×4

=9a2+16+24a