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OpenStudy (anonymous):
simplify the expression. (3-i)-(2+6i) A.1-7i B.-1+7i C.-6i D.5+5i
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OpenStudy (solomonzelman):
factor it out. Foil!
OpenStudy (anonymous):
my guess is A
OpenStudy (shamil98):
This isn't factoring, solomon.. 3 - i - 2 - 6i 1 - 7i
OpenStudy (solomonzelman):
Foiling
OpenStudy (shamil98):
you distribute the negative one to (2 + 6i) then you just combine like terms, solomon
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OpenStudy (solomonzelman):
Oh, didn't see the minus, MY BAD
OpenStudy (anonymous):
\[(3-i)-(2+6i) = (3-i)+(-2-6i)\] Place common symbols together \[3-2-i-6i=1-7i\]
OpenStudy (anonymous):
:D i was right thanks
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