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Simplify 5i × i × -2i = ??

Simplify 5i × i × -2i = ??
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3 votes
Simplify 5i × i × -2i = ??

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User Visibleman
by
7.8k points

2 Answers

0 votes
i = √-1
i² = -1
i³ = -√-1 = -i

(5i) · (i) · (-2i)

= (5 · 1 · -2) i³

= -10 i³ = 10 i
answered
User Michaeldcooney
by
7.2k points
0 votes
5 i x i x - 2 i = 10 i

answered
User JDuarteDJ
by
8.6k points
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