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OpenStudy (anonymous):
(1+2i)-(-8-i) simplify in a+bi form
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OpenStudy (anonymous):
remember -(- = +
OpenStudy (anonymous):
What you have to do first is to get rid of the parentheses by distributing the negative sign so you have \[1 + 2i + 8 + i = 9 + 3i\]
OpenStudy (anonymous):
yep
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