(2x+3)^2

Expanding the expression (2x + 3)^2 using the FOIL method:

(2x + 3)^2
= (2x + 3)(2x + 3)
= 2x(2x) + 2x(3) + 3(2x) + 3(3)
= 4x^2 + 6x + 6x + 9
= 4x^2 + 12x + 9

Therefore, (2x + 3)^2 = 4x^2 + 12x + 9.