L1loreellmaman L1loreellmaman

04-11-2016
Mathematics

contestada

Simplify the given expression.
(1+3i)+(2-5i)

a)-1 - 2i
b) 3 - 2i
c) 4 - 3i
d) 5+6i

Im really confused can someone help me solve it?

Respuesta :

Greenleafable Greenleafable

08-11-2016

Since you can only perform addition and subtraction on variables that have the same variable following them, the correct answer is B. 3 - 2i.
Here's why:
1 + 2 + (3i - 5i) =
3 - 2i

Answer Link

nobillionaireNobley nobillionaireNobley

14-11-2016

(1 + 3i) + (2 - 5i) = 1 + 3i + 2 - 5i = 3 - 2i

Answer Link

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