Question

1) Resolva as multiplicações:

a) x 3 . ( x 5 – 2x 2 )

b) 4ab . ( 3x 2 + 6y)

c) 3x 2 . ( 4x 3 – 5x 4 )

d) 2xy . (4x + 6y)

e) 5x 2 y 4 . (3xy 3 + 2x 2 y)

f) 2x 5 y 3 . ( -3x 2 y 2 – 2xy 3 )

g) -4y 4 a 3 . ( 6a 2 – 2y)


Vcs podem me ajudar? Pfv gente :c

Answer 1

Resposta:

a) x 3 . ( x 5 – 2x 2 ) =

x.3(x.5-2x.2)=3x(5x-4x)=3x²

b) 4ab . ( 3x 2 + 6y) =

c) 3x 2 . ( 4x 3 – 5x 4 )

d) 2xy . (4x + 6y)

e) 5x 2 y 4 . (3xy 3 + 2x 2 y)

f) 2x 5 y 3 . ( -3x 2 y 2 – 2xy 3 )

g) -4y 4 a 3 . ( 6a 2 – 2y)