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Popular >

simplify 5i(-4+2i)

Solution

simplify

5 i (- 4 + 2 i)

Solution

- 10 - 20 i

Solution steps

5 i (- 4 + 2 i)

Apply the distributive law:

a (b + c) = ab + a c

5 i (- 4 + 2 i) = 5 i (- 4) + 5 i 2 i

= 5 i (- 4) + 5 i 2 i

5 i (- 4) = - 20 i

5 i 2 i = - 10

= - 20 i - 10

Rewrite in standard complex form:

- 10 - 20 i

= - 10 - 20 i

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Frequently Asked Questions (FAQ)

What is 5i(-4+2i) ?
The solution to 5i(-4+2i) is -10-20i