SOLUTION: Please perform the following operations with complex numbers: (2+i)(2-3i)
Algebra.Com
Question 687599: Please perform the following operations with complex numbers: (2+i)(2-3i)
Answer by josh_jordan(263) (Show Source): You can put this solution on YOUR website!
To simplify, you will use the FOIL method:
First x First = 2 x 2 = 4
Outside x Outside = 2 x -3i = -6i
Inside x Inside = i x 2 = 2i
Last x Last = i x -3i = = -3 x -1 = 3
Now, just add everything together:
4 + -6i + 2i + 3 = 7 - 4i
Final Answer: 7 - 4i
RELATED QUESTIONS
I don't understand how to preform the operations with complex numbers like with;... (answered by stanbon,josmiceli)
Simplify the following product of complex numbers.
(-10 + 3i) ·... (answered by mathtutor019)
Simplify the following quotient of complex numbers into the form a + bi.
(-4-3i)/(2-i)
(answered by nyc_function)
how would I write the following expression as complex numbers in standard form?
-2-5i/3i
(answered by tommyt3rd)
Perform the indatcated operations. Write answer in the form a + bi
4 + 3i over 2 +... (answered by jim_thompson5910)
I need help solving these problems with complex numbers
write the sum as a complex... (answered by Prithwis)
How would I write the following expressions as complex numbers in standard form?
-i(4 -... (answered by harpazo)
Perform the complex number operations and write the answer in the a+bi form.
2i + (answered by stanbon)
Perform the complex number operations and write the answer in the a + bi form.
2i... (answered by ankor@dixie-net.com)