as Multiplicações
a) 3x². 4x³ =
b) -2a4.5a=
c) 6pq2.(-2p³q² ) =
d)-ab. (-a2b³) =
e) 3(2x2-5x + 1) =
f) -4(a³-a2+2a-3)=
g) 2x2(3x²-4x+5)=
h)-a(a3-a2-2) =
| 1) ½ x²y (2x³- xy + 4y²) =
j) (x²-5x+6)(x+3)=
1) (2x+3)(x-2)(4x-1)=
m) (2x+1)(4x+3)=
n) (2y-6)(3y+5)=