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Mathematics 10 Online
OpenStudy (anonymous):

simplify (9-6i) - (12+2i)

OpenStudy (anonymous):

9 - 6i - 12 - 2i = -3 - 8i

OpenStudy (anonymous):

wouldnt it be, -3-4i ?

OpenStudy (anonymous):

But -6i - 2i is -8i.

OpenStudy (anonymous):

cuz the negative is not a distributive...

OpenStudy (anonymous):

mm, is this physic notations? as in i,j,k ? if not - im wrong then

OpenStudy (anonymous):

|dw:1327734239025:dw| its written like this

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