SOLUTION: Perform indicated operation and simplify. Write each answer in form of a+bi 1. (4+i)(2+3i) 2. 3i/4+2i 3. (5-2i)/(3+6i)

Algebra.Com
Question 357140: Perform indicated operation and simplify. Write each answer in form of a+bi
1. (4+i)(2+3i)
2. 3i/4+2i
3. (5-2i)/(3+6i)

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
I'll do the first one to get you started.

# 1


Start with the given expression.


FOIL.


Multiply.


Replace with . Note: .


Multiply.


Combine like terms.


So .

RELATED QUESTIONS

Perform the indicated operation 7. (4-2i)(8+4i) Simplify and write in a+bi form... (answered by lwsshak3)
Perform the indicated operation.. {{{ (9-8i)+(7+2i) }}}. {{{ (3+4i)(2-6i) }}}.... (answered by jim_thompson5910)
Perform the indicated operation.. {{{ (9-8i)+(7+2i) }}}. {{{ (3+4i)(2-6i) }}}.... (answered by jim_thompson5910)
Perform the indicated operation and simplify. Write each answer in the form a+bi.... (answered by mananth)
Perform the indicated operation and write the result in standard form. (1+2i)/(1-2i) + (answered by robertb)
write the expression as a complex number in standord form: (8-i)-(3+2i)+(-4+6i) First (answered by Postulio)
perform the indicated operation and express each answer in a+bi form 1) (1/5... (answered by ewatrrr)
5. Perform the indicated operation and write your result in standard form. (6+2i)(1... (answered by tommyt3rd)
1. (-2-2)(-4-3i)(7+8i) 2. 5i+7i*i 3. (6i)^3 4. 6i*-4i+8 5. -6(4-6i) 6. (8-3i)^2 7.... (answered by harpazo)