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OpenStudy (anonymous):
simplify the expression (2-5i)-(3+4i)
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OpenStudy (mathmale):
Welcome to OpenStudy! Look at the quantities within parentheses. the 2 and the 4 are the "real parts" of each complex point; the -5i and the 4i are the imaginary parts. Combine the real parts separately. Combine the imaginary parts separately. What's your end result?
OpenStudy (anonymous):
-1 - 9 i
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