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OpenStudy (anonymous):
simplify the expression (-2i) (8i)
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OpenStudy (dmndlife24):
\[(-2i)(8i) = -16i ^{2}\]
OpenStudy (anonymous):
you sure? i thought it would be more difficult
OpenStudy (dmndlife24):
Positive :D
OpenStudy (anonymous):
okay :) thanks
OpenStudy (dmndlife24):
yw!
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