Question

dsedr
$(2x + 3)(2x + 3)$

Answer 1

(a+b)^2
(3x)^2+2×2x×3+(3)^2
9x^2+12x+9

Answer 2

(2x + 3)(2x + 3)

or, it can also be written as

(2x + 3) ²

we can use the identity (a+b)² = a² + 2×a×b + b²

a = 2x

b= 3

(2x + 3) ² = (2x)² + 2× 2x ×3 + (3)²

= 4x² + 12x + 9

hope this helps :)