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You going to mutiply the numorator and the denominatior by the conjugate. Does that help?

so multiply -9 and 1 right

multiply top and bottom of the quotient by the conjugate of 1 + 2i which is 1 - 2i

huh I am confused

without changing the number

okay

(-9 + 8i)(1-2i)
------------
(1+2i)(1-2i)
the denominator simplifies to 1 + 4 = 5

so I take and combine like terms right?

after I get the )-9+8i)(1-2i)

so it will be -9*1 and 8i*-2i?

yes - u now simplify the top expression
then divide by 5

no
remember
(a+b)(a+b) = a^2 + 2ab + b^2

so -9 - 16i/5 is what it should look like right

nope. your top term is off. Try using FOIL on the top again and see if you get somthing else.

okay lemme see (-9+8i)(1-2i) combine like terms -9*1=-9 8i*2i=16i total is -9+16i/5 is that right

by +8i

oh okay wasn't seeing how it was done that is why I was confuzzled

final result is
7/5 + (26/5) i

okay so in algebra they try to change things up so it confuses you?

Thank you Jimmy you was very helpful as was you Walleye

yw!

thats ok