Question

efetue cada multiplicacao​

Answer 1

Resposta:

a)6a²b+12ab² b)-21x⁷ c)12a²b⁴ d)6x³-3x²+6x+3

Explicação passo-a-passo:

a)3ab(2a+4b)=

3ab×2a +3ab×4b=

6a²b+12ab²

b)(7x⁵).(-3x²)=

-21x⁵.x²=

-21x⁷

c)(4ab³).(3ab)=

12.a.a.b³.b=

12.a².b³.b=

12a².b⁴

d)3(2x³-x²+2x+1)=

6x³-3x²+6x+3