dtrejo985 dtrejo985

16-12-2019
Mathematics

contestada

Simplify the expression. Write your answer in the
form a +bi.
(7+3i)-(4-21)

Respuesta :

jimrgrant1 jimrgrant1

16-12-2019

Answer:

3 + 5i

Step-by-step explanation:

Given

(7 + 3i) - (4 - 2i)

Distribute the parenthesis, multiplying each term in the second by - 1

7 + 3i - 4 + 2i ← collect like terms

= 3 + 5i

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