Question

(2x+4y)2=
me ajudem
por favor ​

Answer 1

Oie, Td Bom?!

$= (2x + 4y) {}^{2}$

$= (2x ){}^{2} + 2 \: . \: 2x \: . \: 4y + (4y) {}^{2}$

$= 4x {}^{2} + 16xy + 16y {}^{2}$

Att. Makaveli1996