How do you evaluate #(-6-4i)(-1+4i)#?

2 Answers

the answer is #2(11-10i)#

Explanation:

we have to multiply the given expression on multiplying we get
#6-24i+4i+16rArr22-20irArr2(11-10i)#

Nov 8, 2017

#2(11-10i)#

Explanation:

#(-6-4i)(-1+4i)#
F - #-6*-1=6#
O - #-6*4i=-24i#
I - #-4i*-1=4i#
L - #-4i*4i=-16*-1=16#

#6-24i+4i+16=22-20i=2(11-10i)#