Question

find suitable identity of the following (x+3)(x+3)​

Answer 1

Answer:

(a+b)^2

Step-by-step explanation:

(x+3)(x+3) can be written as (x+3)^2

so (a+b)^2 is a suitable identity

solution is :

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

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

           = x^2+6x+9