Question

Resolva o produto notáveis (3x2 + 2y) 3

Answer 1

Oie, Td Bom?!

$= (3x {}^{2} + 2y) {}^{3}$

$= (3x {}^{2} ) {}^{3} + 3 \: . \: (3x {}^{2} ) {}^{2} \: . \: 2y + 3 \: . \: 3x {}^{2} \: . \: (2y) {}^{2} + (2y) {}^{3}$

$= 27x {}^{6} + 3 \: . \: 9x {}^{4} \: . \: 2y + 3 \: . \: 3x {}^{2} \: . \: 4y {}^{2} + 8y {}^{3}$

$= 27x {}^{6} + 54x {}^{4} y + 36x {}^{2} y {}^{2} + 8y {}^{3}$

Att. Makaveli1996