Question

use a suitable identity to get each of the following products (x+3) (x+3) with formula ​

Answer 1

(x+3)(x+3)

=(x+3)^2

=x^2 + 2*x*3 + 3^

=x^2 + 6x + 9

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