SOLUTION: Evaluate: (4+3i)(5-5i)(-3+4i)
Show work. (No calculator!)
Thanks for help!
Algebra.Com
Question 231145: Evaluate: (4+3i)(5-5i)(-3+4i)
Show work. (No calculator!)
Thanks for help!
Answer by user_dude2008(1862) (Show Source): You can put this solution on YOUR website!
(4+3i)(5-5i)(-3+4i)
(20-20i+15i-15i^2)(-3+4i)
(20-20i+15i+15)(-3+4i)
(35-5i)(-3+4i)
-105+140i+15i-20i^2
-105+140i+15i+20
-85+155i
Answer: (4+3i)(5-5i)(-3+4i)=-85+155i
RELATED QUESTIONS
Hello. My son is struggling with complex numbers and this stuff is like a second language (answered by stanbon,MathLover1)
1+5i/2-3i-4-4i/5-5i (answered by josgarithmetic)
I wanted you to check my answers on these two problems:
1) Problem: (2-4i)(2-i)... (answered by checkley77,gonzo)
Simplify
-3i^2 + 4i - 5 times the square root of -9 - 4 +... (answered by Edwin McCravy)
hi
z1=1-3i/4+5i , z2=3-4i/5-6i
z1/z2 ?
thnx alot
(answered by ewatrrr,MathLover1)
I'm on algebra 2 and need help with my work please. It says find the value of the complex (answered by richwmiller)
simplify... (answered by ikleyn)
(5+4i)+(3-5i) (answered by Alan3354)
Please help!
I have so simplify each expression:
1. (2 + 3i) + (4+ 5i)
2. (5 +... (answered by solver91311)