bewellplus.gsu.edu
Koljeg Koljeg
  • 16-07-2014
  • Mathematics
Answered

Perform the indicated operation and write and standard form. -7i(6i-3)

Verified Answer :

konrad509
konrad509 konrad509
  • 16-07-2014

\(-7i(6i-3)=\\ -42\cdot(-1)+21i=\\ 42+21i\)

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AL2006
AL2006 AL2006
  • 16-07-2014

-7i (6i - 3)

Perform the distributed multiplication to eliminate the parentheses:

-7i (6i) - 7i (-3) = -42i² + 21i

IF i = √-1 , then the expression is equal to (42 + 21i) or 21(2 + i) .

Answer Link

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