SOLUTION: (9-4i)(4+8i)
Algebra.Com
Question 44638: (9-4i)(4+8i)
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
9-4i)(4+8i)
Use FOIL to get the product:
F: 36
O: 72i
I: -16i
L: +32
Combine to get:
68+56i
Cheers,
Stan H.
RELATED QUESTIONS
4-8i/4i (answered by ikleyn)
(-1/8+1/8i)(4+4i) (answered by Alan3354)
(7+8i)/(6+4i) (answered by Alan3354)
(2-4i)(-6+4i)
(-3+2i)(-6-8i)
(8-6i)(-4-4i)
(1-7i)squared
6(-7+6i)(-4+2i) (answered by Alan3354)
(4+8i)(4-8i) (answered by ewatrrr)
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)
Simplify:... (answered by jim_thompson5910)
(3-√-4 + (5-2√-9))=
A)8i
B)8
C)8-8i... (answered by MathLover1)