Question

Quadrado de soma de dois termos (2×+3)2

Answer 1

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

Answer 2

$(2x + 3)^{2} = {(2x)}^{2} + 2.2x.3 + {3}^{2} =4 {x}^{2} + 12x + 9$