Asked by dan

Can someone help me with this??

Simplify...
ã-45 x ã-20 =
is it??
ã-45*-20
ã-900
3ã-30

Answers

Answered by Reiny
√-45√-20
= (3i√5)(2i√5)
= 6i^2√25
= -6(5)
= -30
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