Question

(2x+3).(2x-3) eu faltei nesse dia kkk

Answer 1

$(2x + 3) \times (2x - 3) = \\ 4 {x}^{2} - 6x + 6x - 9 = \\ 4 {x}^{2} - 9$

Answer 2

$(2x + 3) \times (2x - 3) \\ 4x {}^{2} - 6x + 6x - 9 \\ 4x {}^{2} - 9$