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What does this equal to in standard form? (A+bi)

What does this equal to in standard form? (A+bi)-example-1
User Dmarquina
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2 Answers

4 votes

Answer:

-33 - 21i

Explanation:

3i (-7 + 11i)

= -21i + 33i^2 (i^2 = -1)

= -21i + 33(-1)

= -33 - 21i

User Wouter Vegter
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6 votes


</p><p>3i(-7+11i)=-28i+33i^2=\boxed{-33-28i}</p><p>

User Malcolm Dwyer
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