Question

Resolva as multiplicações:
a) 2xy(3xy-2x+3y)
b) 5ab^2(-2ab+4a^2b^3)

Answer 1

Resposta:

$6 {x}^{2} {y}^{2} - 4 {x}^{2}y + 6x {y}^{2} \\ - 10 {a}^{2} {b}^{3} + 20 {a}^{3} {b}^{5}$