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

User Visibleman
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i = √-1
i² = -1
i³ = -√-1 = -i

(5i) · (i) · (-2i)

= (5 · 1 · -2) i³

= -10 i³ = 10 i
User Michaeldcooney
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5 i x i x - 2 i = 10 i

User JDuarteDJ
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8.0k points
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