Question

using the suitable identity solve the following (3x+2)^2​

Answer 1

Answer:

9x^2 + 4 + 12x

Step-by-step explanation:

( 3x + 2 )^2​

( a + b )^2 = a^2 + b^2 + 2ab   { Identity }

Here,

a = 3x

b = 2

( 3x + 2 )^2​

= ( 3x )^2 + 2^2 + 2 ( 3x ) ( 2 )

= 9x^2 + 4 + 12x