SOLUTION: Simplify (-3i)(-7i)(2i).
Algebra.Com
Question 529765: Simplify (-3i)(-7i)(2i).
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
(-3i)(-7i)(2i) = (-3*-7*2)(i*i*i) = 42i^3 = 42(-i) = -42i
So (-3i)(-7i)(2i) = -42i
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