sheeka18 sheeka18

13-05-2016
Mathematics

contestada

which complex number is equivalent to (7-9i)-(-1+3i)?

Respuesta :

apologiabiology apologiabiology

13-05-2016

just like algebra
i lis like x
distribute invisible -1 to second set
-1(-1+3i)=1-3i

now we have
7-9i+1-3i
8-12i

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