freyaenriquez
freyaenriquez freyaenriquez
  • 07-06-2014
  • Mathematics
Answered

Even if I have use bidmas I'm still confuse with this equation
(-7i)(2+i)+(2i)(-7i)

Answer :

konrad509
konrad509 konrad509
  • 07-06-2014
Assuming "i" is an imaginary unit:
[tex] (-7i)(2+i)+(2i)(-7i)=\\ -14i+7+14=\\ 21-14i[/tex]
Answer Link

Other Questions

Reserved powers are granted to the national government by the US Constitution granted to state governments by the US Constitution not given to the national gove
How did the Clayton Antitrust benefit labor
The law of thermodynamics states that when two objects of different temperature are in contact heat energy will flow from the hotter to the cooler object zeroth
what is 4k4410k10
10 All of the following statements about literary symbols are true except 1 point Symbols enhance the meaning of text Symbols generally have only one meaning Sy
Most of the land from gadsden purchase is found in which state
what were the patriots concerned about when the war was over and they had won
In natural selection what is the selective agent
What is the following solution to x312
A small rock is called a