Question

Calcule a multiplicação (-4xy) . (-5x²y) Me ajudem

Answer 1

Oie, Td Bom?!

$= ( - 4xy) \: . \: ( - 5x {}^{2} y)$

$= 4xy \: . \: 5x {}^{2} y$

$= 20x {}^{1} y {}^{1} x {}^{2} y {}^{1}$

$= 20x {}^{3} y {}^{2}$

Att. Makaveli1996