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I need help with this please

I need help with this please-example-1
User Zehava
by
5.6k points

1 Answer

7 votes

Answer:

250x^3 - 500x^3i

Explanation:

We have a = 5x

b = 2 - 4i

Now,

= a^3b

= (5x)^3(2 - 4i)

= 125x^3 (2 - 4i)

= 250x^3 - 500x^3i

User Ligia
by
5.3k points