Question

a)(7x5).(-3x³)=
b)(4a³b²).(3ab³)=
c)(-x).(-7x²)=
d)(3a³).(-5a²)
e)-3x².(-2xy5)=

Answer 1

Resposta:

a) (7x^5).(-3x^3)=

-21x^8

b) (4a^3 b^2).(3ab^3)=

12a^4 b^5

c) (-x).(-7x^2)=

+7x^3

d)(3a^3).(-5a^2)=

-15a^5

e) -3x^2.(-2xy^5)=

+6x^3 y^5

Explicação passo-a-passo: