Question

1. Efectúa: (2x + 4)(3x + 6) – 6 (x + 2)2

Answer 1

$(2x + 4)(3x + 6) - 6(x + 2)2 \\ 6x {}^{2} + 12x + 12x + 24 - 12(x + 2) \\ 6x {}^{2} + 24x - 12x - 24 - 24 \\ 6x {}^{2} + 12x$

dame coronita