Question

Efetue as multiplicações: ( 1,0 )ponto

2 2 5 3 2 2 4

a) (5x) . (8x) = b) ( -6a ) . ( a ) = c) ( -xy ) . ( xy ) = d) ( 5ax ) . ( 10ax ) =

Answer 1

Resposta:

A)6b²+12ab

B)m²-mn-2n+2m

C)35x⁴y³+14xy³

D)100a²+80b

E)a²b+b+9a²+9

F)6xy+y+12x+2

G)am+bm+m-ax-bx-x

H)2a²-a+4ab-2b

I)3x²+6xy³

J)3y²+6xy+9y³