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Mathematics 8 Online
OpenStudy (anonymous):

How can i simplify (-1 - 4i) - (2 - 7i) ?

OpenStudy (anonymous):

what are the anwser chioces???

OpenStudy (ivettef365):

that is just adding, so you have -1-4i -2+7i

OpenStudy (ivettef365):

combine like terms

OpenStudy (anonymous):

A. 1 - 11i B. 1 + 11i C. -3 + 3i D. -30 - i @XxBATMANxX1996

OpenStudy (anonymous):

Mine if I cut in ?

OpenStudy (anonymous):

b

OpenStudy (anonymous):

no wrong .

OpenStudy (anonymous):

it's C

OpenStudy (ivettef365):

-1 -2 = -3

OpenStudy (anonymous):

C

OpenStudy (ivettef365):

-4i + 7i = 3i

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