Question

calcule os produtos a seguir
a) (+2x)•(+3x•²)
b) (3y)•(4y²)
c) ( - 4x²y)•(-3xy²)
d) (-5ab)•(+3a)

Answer 1

a)(2x)(3x²)= 6x³

b)(3y)(4y²)=12y³

c)(-4x²y)(-3xy²)= 12x³y³

d)(-5ab)(3a)=-15a²b