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OpenStudy (anonymous):
Write (1+3i)(5-i) in standard form ? :)
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hartnn (hartnn):
can you distribute ? like (a+b)(c+d) = ac+ad+bc+bd
OpenStudy (anonymous):
8+ 14i ? (:
hartnn (hartnn):
let me check, 5+15i-i-3i^2 = 5+14i+3 = 8+14i wow! absolutely correct :D
OpenStudy (anonymous):
yay! :D
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