Question

Multiply -3-2i by is conjugate

Answer 1

\[(a+bi)(a-bi)=a^2+b^2\] always
in your case \(a=-3,b=-2\)

Answer 2

ignore the minus signs
ignore the \(i\)
compute \(3^2+2^2\) and you are done

Answer 3

to find the conjugate "change the sign before the term with i"
i^2 = -1