Question

Calcule os produtos
A) X ( y-2)
b) 5 a.(2 a -3 )
c) ( m⁴-1) . ( m⁴-5)
d) ( 5x - 2 ) . (2x -1 )
e) (3 c-6) .( 5b + 6)

Answer 1

a) xy-2x
b) 10a²-15a
c) m^8-6m⁴+5
d) 10x²-5x-4x+2= 10x²-9x+2
e) 15bc-18c-30b-36