SOLUTION: Simplify (-3i)(-7i)(2i).

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: Simplify (-3i)(-7i)(2i).      Log On


   

Question 529765: Simplify (-3i)(-7i)(2i).
Answer by jim_thompson5910(35256) About Me  (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